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Aneurysmal bone cyst-like changes developed in melorheostosis with epiphyseal osteopoikilosis. Skeletal Radiol 2024; 53:1437-1441. [PMID: 38015230 DOI: 10.1007/s00256-023-04529-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/13/2023] [Accepted: 11/21/2023] [Indexed: 11/29/2023]
Abstract
Aneurysmal bone cyst (ABC) is a rare and usually painful condition, representing about 1% of all bone tumors. A geographical lytic, expansile, and septated radiological pattern, with fluid-fluid levels on MRI, is classically displayed. ABC can be a primary bone lesion (70% of patients) or can arise in an underlying condition and is subsequently named "ABC-like changes" (30%). ABC-like changes are more frequently encountered in skeletal segments affected by chondroblastoma, fibrous dysplasia, giant cell tumor, osteoblastoma, non-ossifying fibroma, and osteosarcoma. In this article, we describe the first case of ABC-like changes developed in association with an ultra-rare sclerosing bone disease: melorheostosis. Melorheostosis is characterized by recognizable patterns on radiological studies with a pathological increased bone density and a cortical thickening within the periosteal or endosteal space, usually with a "dripping candle wax" appearance. More rarely, other different radiological patterns can be observed, such as "osteopatia striata-like," "osteoma-like," "myositis ossificans-like," and mixed patterns. Pain and limb hypotrophy are the most common clinical manifestations. We report the case of a Caucasian male with a clinic-radiological diagnosis of melorheostosis (with epiphyseal osteopoikilosis) since the age of twelve. At the age of nineteen, he suffered from increased pain in the proximal right thigh, and the radiological control revealed an expansive septated lesion at the right proximal femoral bone. The diagnosis of ABC-like changes developed in melorheostosis was obtained after CT-guided bone biopsy and confirmed by open-incisional biopsy.
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Classic "dripping candle wax" pattern in melorheostosis. Arthritis Rheumatol 2024; 76:491. [PMID: 37818730 DOI: 10.1002/art.42728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 10/13/2023]
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Melorheostosis: A rare disease of the bone. Int J Rheum Dis 2024; 27:e15051. [PMID: 38287536 DOI: 10.1111/1756-185x.15051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 01/13/2024] [Indexed: 01/31/2024]
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The periosteal "dripping candle wax" sign: Classic melorheostosis. Joint Bone Spine 2023; 90:105595. [PMID: 37271280 DOI: 10.1016/j.jbspin.2023.105595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 05/30/2023] [Indexed: 06/06/2023]
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Spinal Melorheostosis: A Rare Presentation. JBJS Case Connect 2023; 13:01709767-202309000-00076. [PMID: 37683077 DOI: 10.2106/jbjs.cc.23.00307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023]
Abstract
CASE A 22-year-old female patient was referred to the orthopaedic department for further examination after a radiopaque area was observed in the T6 vertebra in her chest radiograph. Computed Tomography (CT) showed a sclerotic mass with smooth borders, involving the entire body of the T6 vertebra, left posterior elements, posterior of the rib past the left zygapophyseal joint, and a "flowing candle wax" image toward the T7 vertebra. Spinal melorheostosis was considered radiologically in the patient, but malignancy could not be completely excluded. Thereupon, open biopsy was performed under general anesthesia. CONCLUSION Spinal melorheostosis is a rare condition. Histological examination should be considered in cases where the diagnosis remains suspicious after clinical and radiological evaluations.
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[Melorheostosis]. Medicina (B Aires) 2023; 83:849. [PMID: 37870352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2023] Open
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Middle-Aged Male With Melorheostosis. Mayo Clin Proc 2022; 97:1572-1573. [PMID: 35933140 DOI: 10.1016/j.mayocp.2022.05.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Accepted: 05/23/2022] [Indexed: 11/19/2022]
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Bone Features of Unaffected Skeletal Sites in Melorheostosis: A Case Report. J Clin Densitom 2020; 23:690-694. [PMID: 32057643 DOI: 10.1016/j.jocd.2020.01.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 12/22/2019] [Accepted: 01/06/2020] [Indexed: 12/19/2022]
Abstract
BACKGROUND Melorheostosis is a rare sporadic sclerosing bone dysplasia, which commonly affects appendicular skeleton with bone hyperostosis and soft tissues sclerosis; fragility fractures are rare in melorheostotic patients. We investigated bone features at unaffected sites in a postmenopausal woman with melorheostosis of the right lower limb and with a fracture of the melorheostosis-free T11 vertebral. METHODOLOGY Melorheostotic lesions were evaluated by plain radiography, magnetic resonance of the right lower limb, and whole-body bone scintigraphy. Dual X-ray absorptiometry, trabecular bone score, and quantitative computed tomography were performed to investigate unaffected bone sites. Biochemical assessment of bone metabolism was obtained. RESULTS Dual X-ray absorptiometry was indicative of normal mineralization at femoral sites and osteopenia at lumbar spine (T-score -1.1), which was confirmed by spinal quantitative computed tomography (volumetric bone mineral density 89 mg/cm3). Trabecular bone score suggested only mildly altered bone microarchitecture (1.304, normal values >1.350). Bone markers were consistent with high bone turnover. Causes of secondary osteoporosis or alterations in bone metabolism were excluded. Zoledronic acid induced a reduction in bone turnover markers after 6 months without significant changes in clinical features. CONCLUSIONS Fragility fractures at apparently unaffected sites may occur in adults with melorheostosis, in absence of significant demineralization diagnosed by dual X-ray absorptiometry, trabecular bone score, and quantitative computed tomography, which may underestimate the fracture risk in this set of patients. Treatment with zoledronate could be considered also to prevent fragility fractures.
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A multi-omics approach expands the mutational spectrum of MAP2K1-related melorheostosis. Bone 2020; 137:115406. [PMID: 32387835 DOI: 10.1016/j.bone.2020.115406] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/26/2020] [Accepted: 05/03/2020] [Indexed: 12/17/2022]
Abstract
Melorheostosis is a very rare sclerosing bone dysplasia characterized by asymmetrical and progressive cortical hyperostosis, usually with involvement of soft tissues surrounding the lesions. Recently Kang et al. identified somatic mosaicism for variants (p.Gln56Pro, p.Lys57Asn, or p.Lys57Glu) in the negative regulatory domain of MAP2K1, resulting in increased ERK1/2 signalling in affected tissues. In our study, we employed several sequencing technologies to unravel genetic variants (only present in affected tissues) from four sporadic melorheostosis patients. In the exome of two patients, we identified the same variants (p.K57N and p.K57E) as previously described by Kang et al. WGS and RNAseq analysis in a third patient demonstrated the presence of a novel variant (p.Cys121Ser) in the catalytic domain of MAP2K1. In addition, gene set enrichment analysis of the transcriptome data demonstrated upregulation of proliferative pathways. Interestingly, increased proliferation of MAP2K1 p.Lys57Asn-positive osteoblasts has been reported by Kang et al. The variants located in the hotspot region of the negative regulatory domain as well as this newly identified p.Cys121Ser variant have all been classified as MAP2K1 variants that can constitutively activate the downstream effector Erk. Finally, in a fourth patient with classical radiographic features of melorheostosis, no pathogenic variants could be identified in MAP2K1 or the other candidate genes for melorheostosis (SMAD3; LEMD3; KRAS). In conclusion, our study strongly suggests that not only somatic variants in the regulatory domain of MAP2K1 but also in the catalytic domain can cause melorheostosis. Our observations confirm that mutations in MAP2K1 are a major cause of melorheostosis and also suggest further locus heterogeneity for this disorder.
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Monostotic melorheostosis and trigger finger. ACTA REUMATOLOGICA PORTUGUESA 2020; 45:71-72. [PMID: 32578577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
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Melorheostosis and Osteopoikilosis Clinical and Molecular Description of an Italian Case Series. Calcif Tissue Int 2019; 105:215-221. [PMID: 31129707 DOI: 10.1007/s00223-019-00565-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 05/16/2019] [Indexed: 11/30/2022]
Abstract
Melorheostosis (MEL) is an uncommon, sclerosing disease, characterised by hyperostosis of long bones, resembling the flowing of candle wax. The disease is sporadic and the pathogenesis is still poorly understood. Occasionally, the same family can include individuals with MEL and Osteopoikilosis (OPK), a disease characterised by multiple round foci of increased bone density. LEMD3 gene mutations are related to OPK and Buschke-Ollendorff Syndrome, a genetic condition in which an association between MEL, OPK and skin lesions is observed. In rare cases, LEMD3 mutations and recently mosaic MAP2K1 gene mutations have been correlated to MEL suggesting that somatic mosaicism could be causative of the disease. In this study, we described the clinical, radiological and molecular findings of 19 individuals with MEL and 8 with OPK and compared the results to the medical literature. The molecular analyses of this case series corroborate the available data in the medical literature, indicating that LEMD3 germline mutations are not a major cause of isolated MEL and reporting five further cases of OPK caused by LEMD3 germline mutations.
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Melorheostosis and Osteopoikilosis: A Review of Clinical Features and Pathogenesis. Calcif Tissue Int 2019; 104:530-543. [PMID: 30989250 DOI: 10.1007/s00223-019-00543-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 03/16/2019] [Indexed: 01/17/2023]
Abstract
Melorheostosis is an exceptionally rare sclerosing hyperostosis that typically affects the appendicular skeleton in a limited segmental fashion. It occasionally occurs on a background of another benign generalised sclerosing bone condition, known as osteopoikilosis caused by germline mutations in LEMD3, encoding the inner nuclear membrane protein MAN1, which modulates TGFβ/bone morphogenetic protein signalling. Recent studies of melorheostosis lesional tissue indicate that most cases arise from somatic MAP2K1 mutations although a small number may arise from other genes in related pathways, such as KRAS. Those cases associated with MAP2K1 mutations are more likely to have the classic "dripping candle wax" appearance on radiographs. The relationship between these somatic mutations and those found in a variety of malignant conditions is discussed. There are also similar germline mutations involved in a group of genetic disorders known as the RASopathies (including Noonan syndrome, Costello syndrome and various cardiofaciocutaneous syndromes), successful treatments for which could be applied to melorheostosis. The diagnosis and management of melorheostosis are discussed; there are 4 distinct radiographic patterns of melorheostosis and substantial overlap with mixed sclerosing bone dysplasia. Medical treatments include bisphosphonates, but definitive guidance on their use is lacking given the small number of patients that have been studied. Surgical intervention may be required for those with large bone growths, nerve entrapments, joint impingement syndromes or major limb deformities. Bone regrowth is uncommon after surgery, but recurrent contractures represent a major issue in those with extensive associated soft tissue involvement.
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CT analysis of anatomical distribution of melorheostosis challenges the sclerotome hypothesis. Bone 2018; 117:31-36. [PMID: 30218789 PMCID: PMC11060331 DOI: 10.1016/j.bone.2018.09.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/17/2018] [Accepted: 09/09/2018] [Indexed: 12/29/2022]
Abstract
Melorheostosis (MEL) is a rare disease of high bone mass with patchy skeletal distribution affecting the long bones. We recently reported somatic mosaic mutations in MAP2K1 in 8 of 15 patients with the disease. The unique anatomic distribution of melorheostosis is of great interest. The disease remains limited to medial or lateral side of the extremity with proximo-distal progression. This pattern of distribution has historically been attributed to sclerotomes (area of bone which is innervated by a single spinal nerve level). In a further analysis of our study on MEL, 30 recruited patients underwent whole body CT scans to characterize the anatomic distribution of the disease. Two radiologists independently reviewed these scans and compared it to the proposed map of sclerotomes. We found that the disease distribution conformed to the distribution of a single sclerotome in only 5 patients (17%). In another 12 patients, the lesions spanned parts of contiguous sclerotomes but did not involve the entire extent of the sclerotomes. Our findings raise concerns about the sclerotomal hypothesis being the definitive explanation for the pattern of anatomic distribution in MEL. We believe that the disease distribution can be explained by clonal proliferation of a mutated skeletal progenitor cell along the limb axis. Studies in mice models on clonal proliferation in limb buds mimic the patterns seen in melorheostosis. We also support this hypothesis by the dorso-ventral confinement of melorheostotic lesion in a patient with low allele frequency of MAP2K1-positive osteoblasts and low skeletal burden of the disease. This suggests that the mutation occurred after the formation of dorso-ventral plane. Further studies on limb development are needed to better understand the etiology, pathophysiology and pattern of disease distribution in all patients with MEL.
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Abstract
Melorheostosis is a benign hyperostotic disease of the peripheral skeleton, rarely involving the axial skeleton. This disease is associated with ossified and non-ossified soft tissue masses surrounding the joints. We report the case of a 28-year-old male who presented to an orthopedic clinic with a chronic history of right leg pain. Radiological evaluation using X-ray, computed tomography, and magnetic resonance imaging showed features consistent with that of melorheostosis. Recognition of this entity by clinicians can avoid unnecessary investigations and biopsy.
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Abstract
PURPOSE OF REVIEW Melorheostosis is a rare sclerosing bone dysplasia that affects both cortical bone and adjacent soft tissue structures in a sclerotomal distribution. In this review, we describe the natural history, radiological features, proposed pathogenesis, and management options for this debilitating condition. RECENT FINDINGS Since its first description in 1922, about 400 cases of melorheostosis have been reported, either as single reports or in small case series. Melorheostosis affects the appendicular skeleton more commonly than the axial skeleton and usually presents with lower limb deformity. Diagnosis is based on a combination of clinical and radiological features that help differentiate this condition from other sclerosing bone dysplasias. LEM domain-containing protein 3 (LEMD3) gene mutations have been demonstrated in several familial cases, but these have been more strongly correlated with other hereditary dysplasias, such as osteopoikilosis, and are not thought to be the causative gene for melorheostosis. The exact etiology of classic sporadically occurring melorheostosis remains unknown, with possible causes being somatic LEMD3 mutations, somatic mutations in the bone morphogenetic protein/transforming growth factor-beta pathway, mutations in multiple genes, or other non-genetic causes. Management in recent years has involved nitrogen-containing bisphosphonates in addition to traditional orthopedic surgical approaches and physical therapy. Melorheostosis may present as mixed or atypical osseous involvement in addition to the classically described "dripping candle wax" appearance of hyperostosis. Some patients may have overlap with osteopoikilosis or Buschke-Ollendorff syndrome. In the future, better characterization of genetic and developmental factors predisposing to melorheostosis may lead to the development of targeted therapy for this condition, as well as for more commonly encountered skeletal abnormalities.
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[X-ray performance of melorheostosis in right foot:report of one case]. ZHONGGUO GU SHANG = CHINA JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY 2015; 28:186-187. [PMID: 25924507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
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Three cases of melorheostosis with foot and ankle involvement. AMERICAN JOURNAL OF ORTHOPEDICS (BELLE MEAD, N.J.) 2012; 41:E115-E119. [PMID: 22900256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Melorheostosis is a rare and poorly understood condition of bone and soft tissue with a wide range of clinical presentations. This condition is typically characterized by cortical hyperostosis and pain in the involved extremity, but can also be associated with soft-tissue masses and limb deformities that may be additional sources of disability for those affected by this disease. Characteristic radiographic findings can aid in establishing an accurate diagnosis and the condition should not be mistaken for more aggressive neoplasms. This chronic condition is typically managed nonoperatively, but more invasive measures may be necessary when nonoperative measures fail. In cases of surgical intervention, physicians and patients should be aware that this disease has a high recurrence rate. Although there are only a few reports of melorheostosis in the foot and ankle, it is important to be aware of the difficulties the condition may cause in this anatomical location. Melorheostosis can be a source of significant morbidity when the foot and ankle are involved, especially when complicated by symptomatic soft-tissue masses. In this article, we report 3 cases of melorheostosis in the foot and ankle with distinct presentations and variations in outcomes.
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Abstract
A 13-year-old girl presented with load-dependent pain of the medial part of the right foot. The medical history revealed no trauma and no sports-related injury. X-ray examinations of the foot and lower leg showed subcortical increased sclerosis at the medial part of the tibia, the medial tarsal bones and of a bunion. Magnetic resonance imaging revealed corresponding findings with localized edema of the bone marrow within the increased subcortical sclerosis but no indications of subcutaneous fibrosis. The constellation is indicative of melorheostosis, a rare benign sclerosis of bones and soft tissue. Subcutaneous fibrosis and limb shortening are also common.
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Dripping candle wax. Neth J Med 2012; 70:140-143. [PMID: 22516580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Abstract
Melorheostosis is a rare osteosclerotic bone dysplasia. It is usually characterized by dull and aching pain, reduced joint motion and contractures. Classic radiograph findings are of undulating cortical hyperostosis along the length of the bone, simulating a "dripping candlewax appearance". We report two cases of melorheostosis of the ulna bone, diagnosed 6 years apart in two different females in their early 20s. Both the patients presented with the characteristic features of dull and aching pain in the forearm and were treated conservatively. However, we misdiagnosed the first case as bone malignancy and subjected the patient to a biopsy. For the second case, with hindsight we made the correct diagnosis based only on the classic clinical history and radiographs. We believe that the discussion of a misdiagnosed case of melorheostosis with salient findings may be important for clinicians and orthopedicians in day-to-day clinical practice.
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Classical and unusual imaging appearances of melorheostosis. Clin Radiol 2010; 65:593-600. [PMID: 20599060 DOI: 10.1016/j.crad.2010.02.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2009] [Revised: 02/02/2010] [Accepted: 02/09/2010] [Indexed: 11/28/2022]
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Melorheostosis. AMERICAN JOURNAL OF ORTHOPEDICS (BELLE MEAD, N.J.) 2009; 38:360-361. [PMID: 19714278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
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[Usefulness of bone scintigraphy in melorheostosis]. REVISTA ESPANOLA DE MEDICINA NUCLEAR 2008; 27:444. [PMID: 19094906 DOI: 10.1016/s0212-6982(08)75534-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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Medical image. Leri's hand. Diagnosis: Melorheostosis. THE NEW ZEALAND MEDICAL JOURNAL 2008; 121:87-88. [PMID: 18797489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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Classic presentation of a rare disease: melorheostosis. J Rheumatol 2008; 35:1169. [PMID: 18528951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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Surgical Resection of Melorheostosis in the Ribs. Ann Thorac Surg 2007; 83:1518-9. [PMID: 17383370 DOI: 10.1016/j.athoracsur.2006.09.055] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2006] [Revised: 09/14/2006] [Accepted: 09/18/2006] [Indexed: 11/21/2022]
Abstract
Melorheostosis is a rare nongenetic developmental anomaly of the cortical bone. We present a 40-year-old woman who was diagnosed with melorheostosis affecting the ribs only. Chronic pain and cosmetic deformity were her presenting symptoms. She underwent posterolateral thoracotomy and excision of the affected ribs, with a satisfactory outcome of this uncommon presentation.
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Melorheostosis involving the cervical and upper thoracic spine: radiographic, CT, and MR imaging findings. AJNR Am J Neuroradiol 2006; 27:1198-200. [PMID: 16775263 PMCID: PMC8133940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Melorheostosis, an uncommon mesenchymal dysplasia, rarely affects the axial skeleton. We describe the imaging findings of melorheostosis involving the cervical and upper thoracic spine. Radiographs and CT showed unilateral well-marginated undulating zones of cortical hyperostosis involving multiple vertebrae that were contiguous with a coalescent ossified right paravertebral mass. MR imaging showed zones of signal intensity void on all pulse sequences without contrast enhancement. Conservative management was elected because of lack of interval clinical and imaging changes for 8 years.
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Unusual case of mixed sclerosing bone dysplasia in a 3.5-year-old boy. WIADOMOSCI LEKARSKIE (WARSAW, POLAND : 1960) 2006; 59:720-3. [PMID: 17338138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
The aim of the study is a description of a 3.5-year-old boy with mixed sclerosing bone dysplasia. From boy's birth the shortening of the left upper limb and malfunction of the left elbow joint were observed. Physical examination showed: higher placement of the left shoulder, obligatory outside-rotation position of the left lower limb, mobility limitation of the left: elbow, hip and knee joints. Examinations--including calcium-phosphatic, ionic and hormone metabolism--were normal. Roentgenograms and computer tomography (CT) examination showed a picture typical for melorheostosis in upper left limb and changes typical for osteopathia striata in left hip and left femoral bones. Scintigraphy showed bilateral bigger radiomarker uptake in the left femoral bone and in right humerus, femoral bone and tibia. The above described case is a mixed sclerosing bone dysplasia--coexisting of melorheostosis and osteopathia striata.
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Abstract
Melorheostosis is a nonhereditary and uncommon condition that can affect both adults and children. It can appear on radiographs as increased sclerosis on bones of the upper and lower extremities and may mimic other bony conditions such as osteopoikilosis, osteopetrosis, arthrogryposis multiplex congenita, and osteopathia striata. The sclerotic appearance can differ greatly between adults and children. The skin and subcutaneous tissues may be affected by fibrosis, resulting in contractures of joints and limbs that lead to deformities and limb-length discrepancies. This article reviews the literature on melorheostosis and describes a case in a 10-year-old boy.
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Douleurs osseuses et papules blanchâtres chez un adolescent de 12 ans. Arch Pediatr 2005; 12:1124-8. [PMID: 15964529 DOI: 10.1016/j.arcped.2005.02.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2004] [Accepted: 02/17/2005] [Indexed: 10/25/2022]
Abstract
Here we present a case report in which a teenager, with papules on the arm and back since the infancy, complained of back and right knee pain at the age of 12 years. The radiological examination led to the diagnosis of osteopoikilosis and melorheostosis. The Buschke-Ollendorff syndrome (BOS) associates osteopoikilosis (asymptomatic bone dysplasia) and disseminated dermatofibrosis. The BOS is rare, and its association with melorheostosis (another bone dysplasia in which pain and deformity may occur) makes the prognosis uncertain. This case report highlights the diagnosis problems related with bone pain in paediatrics. The purpose of this manuscript is to present the characteristics of two bone dysplasias: osteopoikilosis and melorheostosis, and to discuss the involvement of each one in the clinical picture of our patient.
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[Melorheostosis in a ten-year-old girl]. Ugeskr Laeger 2004; 166:4166-7. [PMID: 15565854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
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Abstract
Melorheostosis is a rare bone disorder, usually affecting the long bones and adjacent soft tissue. It was originally described by Leri and Joanny in 1922, after its classic x-ray features of flowing hyperostosis resembling dripping candle wax. There have been fewer than 10 reported cases of craniofacial involvement, and in most instances these have also involved the appendicular skeleton. The authors report a case of melorheostosis with isolated craniofacial involvement, describe the clinical course and radiologic and histologic features, and review the pertinent literature.
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Melorheostosis of Leri: report of a case in a young African. Niger Postgrad Med J 2004; 11:234-6. [PMID: 15505659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2023]
Abstract
UNLABELLED Melorheostosis of Leri is a non-familial condition of hyperostosis of the cortical bone that usually presents unilaterally in long bones of the upper and lower limbs, but may also present in vertebra, ribs, skull and jaw. The incidence of this disease is quite rare, only about 300 cases have been reported worldwide. We present a case, which may be the first documented case in sub-Saharan Africa. CLINICAL PRESENTATION S.K. is a 14 year old male student who presented to the hospital with an 18 month history of persistent pain in the joints of the right upper limb and a limb length discrepancy since birth which has worsened with growth. Examination revealed generalised hypoplasia of the right upper limb with shortening of the limb and atrophy of the muscles, also hypoplasia and contracture of the thumb was observed. The radiographs of the limb showed multiple areas of dense hyperostosis and scleroderma, which showed a linear distribution along the radial half of the bones. CONCLUSION In children presentation of melorheostosis, is more likely be as limb length discrepancy, deformity or joint contractures which may be seen before radiographic evidence of any bony changes. Improvement in imaging techniques will therefore result in early diagnosis and greater success with conservative management. Also the increased frequency of tumours necessitates long-term follow up. KEYWORDS melorheostosis, scleroderma.
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Abstract
The association of linear scleroderma with melorheostosis is very rare. Until now, only a few cases have been reported in the English literature. We describe a case of melorheostosis of a rib associated with overlying skin changes.
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Melorheostosis with bilateral involvement in a black African patient. Joint Bone Spine 2004; 71:70-2. [PMID: 14769526 DOI: 10.1016/s1297-319x(03)00103-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2002] [Accepted: 02/03/2003] [Indexed: 11/17/2022]
Abstract
Melorheostosis is a rare chronic bone disease of unknown etiology that often affects a single limb. Onset usually occurs in childhood or early adolescence. A flowing wax appearance along the surface of the bone and multiple areas of bone sclerosis produce a typical radiographic picture. We describe the first case reported in a black African, in whom an exceedingly rare feature was a bilateral distribution of the lesions.
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Abstract
STUDY DESIGN A case report of low back pain associated with a diagnosis of melorheostosis of the lumbosacral spine. OBJECTIVE To describe a rare presentation of melorheostosis and subsequent successful surgical treatment. SUMMARY OF BACKGROUND DATA Melorheostosis is a rare condition and spinal pain has not been described in association with the condition. METHODS A patient with disabling low back pain and suspected melorheostosis of the lumbosacral spine responded favorably to diagnostic facet joint blocks. Treatment was lumbosacral fusion and biopsy of the abnormal bone. The densely sclerotic bone presented technical difficulties requiring modification of surgical technique. RESULTS Dramatic pain and disability reduction occurred following lumbosacral fusion. Histologic examination was consistent with melorheostosis. CONCLUSION Melorheostosis rarely causes severe low back pain that can respond favorably to fusion surgery.
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Occurrence of osteosarcoma in a melorheostotic femur. IRISH MEDICAL JOURNAL 2003; 96:55-6. [PMID: 12674159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
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Melorheostosis with ipsilateral nevus sebaceus (didymosis melorheosebacea). Eur J Dermatol 2003; 13:21-4. [PMID: 12609776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
We report an unusual case of unilateral melorheostosis and ipsilateral extensive sebaceous nevus. Because the two conditions affected the same side of the body, we hypothesize that they originated from a common genetic mechanism. The temporal and spatial co-occurrence may represent a further example of non-allelic didymosis (twin spotting). The embryo would carry two different recessive mutations at one gene locus or at linked loci on either of a pair of homologous chromosomes. Postzygotic recombination occurring during early embryonic development would result in two different populations of cells homozygous for either mutation. If this concept holds true, the present case may be described as " didymosis melorheosebacea ".
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Atypical form of active melorheostosis and its treatment with bisphosphonate. Skeletal Radiol 2002; 31:709-13. [PMID: 12483433 DOI: 10.1007/s00256-002-0576-y] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2002] [Revised: 08/13/2002] [Accepted: 08/14/2002] [Indexed: 02/02/2023]
Abstract
We present the case of a 38-year-old man in whom extensive bilateral melorheostosis was associated with elevated serum alkaline phosphatase, swelling of the right foot and progressive deformity of the left hand, left leg and right foot. Radiography, computed tomography and bone scintigraphy were performed. Following treatment with bisphosphonate (30 mg/day of pamidronate for 6 days) infusion, the pain and swelling of his right foot showed improvement and his elevated serum alkaline phosphatase decreased.
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Melorheostotic skin changes. Int J Dermatol 2002; 41:612-4. [PMID: 12358836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
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Melorheostosis of the hand with complicating bony spur formation and bursal inflammation: diagnosis and treatment. Skeletal Radiol 2002; 31:467-70. [PMID: 12172595 DOI: 10.1007/s00256-002-0542-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2002] [Revised: 05/14/2002] [Accepted: 05/15/2002] [Indexed: 02/02/2023]
Abstract
A 37-year old woman presented with intolerable pain associated with a slowly growing mass on the dorsum of the right hand. The radiographs were characteristic of melorheostosis involving the third and fourth metacarpals, with a cortical bony projection extending from the base of the third metacarpal eroding slightly into the fourth metacarpal, associated with bursal formation. Magnetic resonance imaging (MRI) demonstrated an inflamed bursal collection adjacent to the spur. This region corresponded to the patient's severe clinical, focal pain. To our knowledge, this is the first case report in which melorheostosis of the hand has been associated with bony spur formation and complicated by an inflamed bursa.
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Thoracic cage extent of melorheostosis depicted by multislice CT. Skeletal Radiol 2002; 31:464-6. [PMID: 12172594 DOI: 10.1007/s00256-002-0541-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2002] [Revised: 03/26/2002] [Accepted: 05/15/2002] [Indexed: 02/02/2023]
Abstract
The ribs and vertebrae are rarely affected by melorheostosis. We present a case of melorheostosis of the ribs and thoracic vertebrae, in which multislice computed tomography (CT) was useful in depicting its extent and defining its sclerotome distribution.
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Abstract
Melorheostosis is an unusual sclerotic dysplasia of bone. The case of a 51-year-old female patient with melorheostosis and occlusion of the dorsalis pedis artery is described. Although numerous vascular anomalies have been noted in patients with melorheostosis, occlusion of the dorsalis pedis artery has not been reported previously.
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Abstract
Melorheostosis is a rare bone disease of unknown etiology. It is characterized by tense and erythematous skin, contractures and shortening of the affected limbs. Radiographs reveal hyperostosis in long bones resembling melting wax, and spotty or patchy endostic deposits in short bones. An 11-year-old girl showed, since birth, contractural deformities in the right hand without bone abnormalities. At the age of 12 months, she complained of soft tissue tightness in the right buttock. At 3 years, limitation of flexion and extension of the right knee was evident. Radiographs revealed findings typical of melorheostosis.
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