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Arcidiacono GP, Poci C, Sella S, Torres MO, Zanchetta F, Cecchinato A, Diogo M, Peleg Falb M, Giannini S. Hepatitis C-associated Osteosclerosis (HCAO): Long-Term Follow-Up of a New Case Recovered After Antiviral Treatment. Calcif Tissue Int 2023; 113:571-577. [PMID: 37718324 DOI: 10.1007/s00223-023-01135-7] [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: 07/28/2023] [Accepted: 08/29/2023] [Indexed: 09/19/2023]
Abstract
Hepatitis C-associated osteosclerosis (HCAO) is a very rare condition that can be observed in a small number of patients with Hepatitis C Virus (HCV) infection. HCAO is usually characterized by widespread bone sclerosis, associated with severe bone pain, and increased levels of bone turnover markers, especially alkaline phosphatase (ALP). In this report, we present the case of a 55-year-old woman who was affected by HCV and came to our attention for severe and diffuse bone pain. Radiological studies showed bone sclerosis, and bone mineral density (BMD) was markedly increased, as well as serum ALP levels. The patient was initially treated with intravenous pamidronate, which provided only a transient benefit on clinical symptoms. Then antiviral therapy for HCV (interferon-alfa and ribavirin) was started and it was effective in making the viral load undetectable. After a long follow-up period, we observed a persistent remission of bone pain, a reduction in BMD together with a progressive trend toward the normalization of bone turnover markers. In conclusion, HCAO, although rare, should be considered among the potential causes of increased bone mass in patients with HCV infection, and treatment for the underlying infection may be effective in controlling the manifestations of this disease.
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Affiliation(s)
| | - Carlo Poci
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Stefania Sella
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Marco Onofrio Torres
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Francesca Zanchetta
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Alberta Cecchinato
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Martin Diogo
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Mor Peleg Falb
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
| | - Sandro Giannini
- Department of Medicine, Clinica Medica 1, University of Padua, Via Giustiniani 2, 35128, Padua, Italy
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Serraino C, Melchio R, Silvestri A, Borretta V, Pomero F, Fenoglio L. Hepatitis C-associated osteosclerosis: a new case with long-term follow-up and a review of the literature. Intern Med 2015; 54:777-83. [PMID: 25832941 DOI: 10.2169/internalmedicine.54.3448] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hepatitis C-associated osteosclerosis (HCAO) is an uncommon condition characterized by increased bone density, skeletal pain and elevated bone formation markers. Since 1992, only 17 cases have been reported. We herein describe the case of a 61-year-old woman affected by severe pain involving the lower limbs. The laboratory data showed an elevated serum alkaline phosphatase level, and the patient was found to be seropositive for hepatitis C virus infection. In addition, an X-ray skeleton survey showed marked cortical thickening of both femurs and tibias, and a whole-body bone scan revealed an increased cortical radionuclide uptake in the involved bones. These findings were consistent with a diagnosis of HCAO. In this report, we discuss the patient's clinical course over 16 years and, for the first time, show a normalized radioisotope uptake on bone scanning 10 years after the diagnosis.
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Affiliation(s)
- Cristina Serraino
- Department of Internal Medicine, S. Croce e Carle General Hospital, Cuneo, Italy
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3
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An uncommon cause of acquired osteosclerosis in adults: hepatitis C-associated osteosclerosis. Skeletal Radiol 2014; 43:1313-8. [PMID: 24719041 DOI: 10.1007/s00256-014-1882-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Revised: 02/27/2014] [Accepted: 03/23/2014] [Indexed: 02/02/2023]
Abstract
Hepatitis C-associated osteosclerosis (HCAO) is a rare sclerosing bone condition characterized by debilitating, predominantly lower extremity bone pain, accelerated bone turnover, and a generalized increase in histologically normal trabecular and cortical bone tissue. Herein we report the clinical presentation and imaging results of the 19th case of HCAO. Clinicians, particularly those caring for a population at risk for HCV infection, should be aware of this uncommon condition. The etio-pathogenesis of HCAO remains obscure but may bear important lessons in bone biology that could lead to new treatment options for osteoporosis.
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Gregson CL, Hardcastle SA, Cooper C, Tobias JH. Friend or foe: high bone mineral density on routine bone density scanning, a review of causes and management. Rheumatology (Oxford) 2013; 52:968-85. [PMID: 23445662 DOI: 10.1093/rheumatology/ket007] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
A finding of high BMD on routine DXA scanning is not infrequent and most commonly reflects degenerative disease. However, BMD increases may also arise secondary to a range of underlying disorders affecting the skeleton. Although low BMD increases fracture risk, the converse may not hold for high BMD, since elevated BMD may occur in conditions where fracture risk is increased, unaffected or reduced. Here we outline a classification for the causes of raised BMD, based on identification of focal or generalized BMD changes, and discuss an approach to guide appropriate investigation by clinicians after careful interpretation of DXA scan findings within the context of the clinical history. We will also review the mild skeletal dysplasia associated with the currently unexplained high bone mass phenotype and discuss recent advances in osteoporosis therapies arising from improved understanding of rare inherited high BMD disorders.
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Affiliation(s)
- Celia L Gregson
- Musculoskeletal Research Unit, School of Clinical Sciences, University of Bristol, Bristol, UK.
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5
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Skeletal recovery from hepatitis C-associated osteosclerosis (HCAO) following antiviral treatment. Joint Bone Spine 2011; 78:409-11. [PMID: 21498104 DOI: 10.1016/j.jbspin.2011.02.016] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2010] [Accepted: 02/15/2011] [Indexed: 11/23/2022]
Abstract
Hepatitis C-associated osteosclerosis (HCAO) is characterized by increased bone mass following hepatitis C infection. We report here a case of HCAO that lasted 8 years before the patient received antiviral hepatitis treatment. Seven years after the antiviral treatment, the evolution of radiographs and densitometry showed skeletal recovery of osteosclerosis. This case strengthens the relationship between viral infection and osteosclerosis.
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6
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Hataya Y, Komatsu Y, Chusho H, Kirishima T, Shintani H, Morimoto T. A case of hepatitis C-associated osteosclerosis with xanthogranulomatous cholecystitis. Intern Med 2011; 50:1703-8. [PMID: 21841329 DOI: 10.2169/internalmedicine.50.4675] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/09/2022] Open
Abstract
A 62-year-old woman presented with a markedly increased serum ALP level of skeletal origin during a regular follow-up of chronic hepatitis C. Serum calcium, phosphorus, and intact-PTH levels were normal and bone turnover markers were increased. Her generalized bone density was diffusely increased. These findings were consistent with hepatitis C-associated osteosclerosis (HCAO). She underwent cholecystectomy, as gallbladder cancer was suspected; however, histopathological findings demonstrated xanthogranulomatous cholecystitis. After cholecystectomy, serum ALP level and bone turnover markers were gradually decreased. This may indicate the existence of a novel osteogenic factor in the gallbladder in HCAO.
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Affiliation(s)
- Yuji Hataya
- Department of Endocrinology, Kyoto City Hospital, Japan.
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7
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Yücel AE, Kart-Köseoglu H, Isiklar I, Kuruinci E, Ozdemir FN, Arslan H. Bone Mineral Density in Patients on Maintenance Hemodialysis and Effect of Chronic Hepatitis C Virus Infection. Ren Fail 2009; 26:159-64. [PMID: 15287200 DOI: 10.1081/jdi-120038501] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
OBJECTIVE To determine the prevalence of osteopenia and osteoporosis in HD patients at our center; to investigate whether HCV infection affects BMD in hemodialysis patients; to test for correlations between bone mineral density (BMD) and clinical and laboratory parameters in this population. SUBJECTS AND METHODS The study involved 76 end-stage renal disease patients. Forty-three (56.6%) patients were tested negative for anti-HCV antibodies and HCV-RNA. Thirty-three (43.4%) of them had positivity of anti-HCV antibodies and permanent or intermittent HCV-RNA positivity at least for two years. Mean HD duration was 86.4 months. Patients completed a standard questionnaire that listed age, sex, occupation, education level; cause of renal failure, smoking history, dialysis duration, and sports activities engaged in during life, and pathologic bone fractures. The women answered additional items about age at menarche, number of pregnancies and menopausal status. Each subject underwent a baseline physical examination, including measurement of body weight and height for calculation of body mass index. The results of laboratory tests that had been done at monthly visits in the previous year were retrospectively evaluated, and mean levels for the year were used for correlation testing. Bone mineral density was measured in the spine, femoral neck and forearm. Relationships between BMD values and chronic HCV infection, laboratory results and clinical parameters were analyzed. RESULTS In the 43 patients who were negative for anti-HCV antibodies and HCV-RNA, spine BMD testing showed osteopenia in 16 (37.2%) cases and osteoporosis in 7 (16.3%) cases. The corresponding values for the neck of the femur were 14 (32.6%) and 6 (14.0%), and for the forearm were 19 (44.2%) and 15 (34.9%). In the 33 anti-HCV antibodies and HCV-RNA positive patients; spine BMD testing showed osteopenia in 10 (30.3%) cases and osteoporosis in 7 (21.2%) cases. The corresponding values for the neck of the femur were 17 (51.5%) and 4 (12.1%), and for the forearm were 4 (12.1%) and 25 (75.8%). Bone mineral density decreased as dialysis duration increased (p<0.05). There was no statistical difference between BMD measurements of chronic HCV infection positive and negative group. CONCLUSION However the mean BMD values for all three sites in the 76 HD patients were low HCV infection may not be a risk factor for low BMD in this population.
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Affiliation(s)
- A Eftal Yücel
- Division of Rheumatology, Faculty of Medicine, Baskent University, Ankara, Turkey.
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8
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Schwartz KM, Skinner JA. Hepatitis C-associated osteosclerosis: a case report. Skeletal Radiol 2008; 37:679-81. [PMID: 18414851 DOI: 10.1007/s00256-008-0471-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2007] [Revised: 01/14/2008] [Accepted: 01/21/2008] [Indexed: 02/02/2023]
Abstract
A 38-year-old man presented for evaluation of severe pain in his lower limbs of 16 months' duration. Radiographs showed diffuse bony sclerosis involving the axial and appendicular skeleton with marked cortical thickening in the diaphyseal regions of the long bones. Iliac crest biopsy revealed abundant sclerotic bone. The patient was diagnosed with hepatitis C secondary to intravenous drug use 20 years earlier, and the bony findings and clinical symptoms attributed to hepatitis C-associated osteosclerosis (HCAO). Little is known about the natural history of this disease; however, we discuss the patient's clinical course over 15 years.
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Affiliation(s)
- Kara M Schwartz
- Department of Radiology, 200 First Street SW, Rochester, MN 55905, USA
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Tanaka T, Oki S, Muro S, Tanaka K, Hashimoto J. A case of hepatitis C-associated osteosclerosis in an elderly Japanese man. Endocr J 2006; 53:393-9. [PMID: 16717394 DOI: 10.1507/endocrj.k04-131] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Hepatitis C-Associated Osteosclerosis (HCAO) is characterized by a marked increase in bone mass with deep bone pain. Since 1992, eleven cases of HCAO have been reported. This report describes an elderly Japanese man with HCAO, whose clinical course we followed for 3 years. A 68-year-old man developed pain in both pretibial regions in June 2000, and he had frequent episodic loss of muscular strength in his hands. He had recieved blood transfusion for a bleeding ulcer 43 years before and was seropositive for hepatitis C virus. His serum alkaline phosphatase (ALP) level was markedly increased, while his serum calcium was slightly decreased and serum phosphate was normal. Skeletal radiographs of the lower extremities showed a progressive increase in skeletal density, but did not show any apparent deformity. Administration of nonsteroidal anti-inflammatory drugs led to a reduction in bone pain. Treatment with vitamin D3 and calcium decreased the number of episodes of sudden muscular weakness and maintained serum calcium within the normal range. Three years after the onset of the disease, bone mineral density of his lumbar vertebrae and left hip rose from 0.963 g/cm2 to 1.096 g/cm2, and from 0.938 g/cm2 to 1.383 g/cm2, respectively. His serum ALP level decreased from 2889 to 277 IU/L (normal range: 104-338) and serum calcium normalized. These findings were accompanied by a decrease in bone pain. This case and previous reports suggest that the skeletal tissue of this disease appears to be of good quality.
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Affiliation(s)
- Tokuji Tanaka
- Division of Endocrinology and Metabolism, Osaka Red Cross Hospital, Osaka, Japan
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10
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Fiore CE, Riccobene S, Mangiafico R, Santoro F, Pennisi P. Hepatitis C-associated osteosclerosis (HCAO): report of a new case with involvement of the OPG/RANKL system. Osteoporos Int 2005; 16:2180-4. [PMID: 15983730 DOI: 10.1007/s00198-005-1858-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2004] [Accepted: 01/15/2005] [Indexed: 11/26/2022]
Abstract
We report a new case of hepatitis C-associated osteosclerosis (HCAO). The clinical presentation of the patient was an acquired deep severe bone pain with increased serum bone alkaline phosphatase activity (up to 12 times the upper limit of normal), and generalized bone sclerosis, temporally related to the hepatitis C-virus (HCV) infection. We documented in this patient an increase of circulating osteoprotegerin (OPG), and a concentration of circulating receptor activator for nuclear factor-kB ligand (RANKL) below the lower limit of the reference range. The observed abnormalities of the OPG/RANKL system may contribute to the maintenance of the positive balance of bone remodeling that characterizes patients with HCAO.
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Affiliation(s)
- C E Fiore
- Department of Internal Medicine, University of Catania OVE, Via Plebiscito 628, 95124, Catania, Italy.
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12
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Abstract
A wide spectrum of gastrointestinal illnesses impairs bone health and can result in bone pain, demineralization, and fracture. This article summarizes current knowledge of the skeletal pathology exhibited in patients with diseases of the liver, biliary tree, pancreas, and bowel. Mechanisms responsible for these syndromes and treatment options are discussed. This article enhances the practicing gastroenterologist's knowledge of the implications of gastrointestinal illness for bone.
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Affiliation(s)
- E W Lipkin
- Department of Medicine, University of Washington, Seattle, USA
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13
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Khosla S, Hassoun AA, Baker BK, Liu F, Zein NN, Whyte MP, Reasner CA, Nippoldt TB, Tiegs RD, Hintz RL, Conover CA. Insulin-like growth factor system abnormalities in hepatitis C-associated osteosclerosis. Potential insights into increasing bone mass in adults. J Clin Invest 1998; 101:2165-73. [PMID: 9593772 PMCID: PMC508804 DOI: 10.1172/jci1111] [Citation(s) in RCA: 72] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Hepatitis C-associated osteosclerosis (HCAO) is a rare disorder characterized by a marked increase in bone mass during adult life. Despite the rarity of HCAO, understanding the mediator(s) of the skeletal disease is of great interest. The IGFs-I and -II have potent anabolic effects on bone, and alterations in the IGFs and/or IGF-binding proteins (IGFBPs) could be responsible for the increase in bone formation in this disorder. Thus, we assayed sera from seven cases of HCAO for IGF-I, IGF-II, IGF-IIE (an IGF-II precursor), and IGFBPs. The distribution of the serum IGFs and IGFBPs between their ternary ( approximately 150 kD) and binary (approximately 50 kD) complexes was also determined to assess IGF bioavailability. HCAO patients had normal serum levels of IGF-I and -II, but had markedly elevated levels of IGF-IIE. Of the IGFBPs, an increase in IGFBP-2 was unique to these patients and was not found in control hepatitis C or hepatitis B patients. IGF-I and -II in sera from patients with HCAO were carried, as in the case of sera from control subjects, bound to IGFBP-3 in the approximately 150-kD complex, which is retained in the circulation. However, IGF-IIE was predominantly in the approximately 50-kD complex in association with IGFBP-2; this complex can cross the capillary barrier and access target tissues. In vitro, we found that IGF-II enhanced by over threefold IGFBP-2 binding to extracellular matrix produced by human osteoblasts and that in an extracellular matrix-rich environment, the IGF-II/IGFBP-2 complex was as effective as IGF-II alone in stimulating human osteoblast proliferation. Thus, IGFBP-2 may facilitate the targeting of IGFs, and in particular IGF-IIE, to skeletal tissue in HCAO patients, with a subsequent stimulation by IGFs of osteoblast function. Our findings in HCAO suggest a possible means to increase bone mass in patients with osteoporosis.
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Affiliation(s)
- S Khosla
- Endocrine Research Unit, Division of Endocrinology and Metabolism, Mayo Clinic and Mayo Foundation, Rochester, Minnesota 55905, USA.
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Hassoun AA, Nippoldt TB, Tiegs RD, Khosla S. Hepatitis C-associated osteosclerosis: an unusual syndrome of acquired osteosclerosis in adults. Am J Med 1997; 103:70-3. [PMID: 9236489 DOI: 10.1016/s0002-9343(97)00139-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- A A Hassoun
- Division of Endocrinology and Metabolism, Mayo Clinic, Rochester, Minnesota, USA
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15
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Affiliation(s)
- M P Whyte
- Washington University School of Medicine, Barnes-Jewish Hospital, St. Louis, Missouri, USA
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16
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Abstract
Hepatitis C has recently been recognized as a secondary cause of osteosclerosis; a further example, the first outside of North America, is described. A 37-year-old man with a history of intravenous drug use and known to be hepatitis C antibody positive presented with bone pain. Radiographs and magnetic resonance imaging demonstrated an increase in cortical and trabecular bone that on biopsy was of a normal lamellar pattern but markedly sclerotic. Biochemical markers of bone formation (serum osteocalcin) and resorption (urinary hydroxyproline excretion rate) were both markedly elevated. Pain lessened following administration of pamidronate. Biochemical markers of bone turnover fell towards their reference ranges 12 months after initiating pamidronate therapy but without significant change in bone mineral density. Osteosclerosis is a rare complication of hepatitis C infection, the symptoms of which are controllable with diphosphonate therapy.
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Affiliation(s)
- T Diamond
- Department of Endocrinology, St. George Hospital, Kogarah, Australia
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Whyte MP, Teitelbaum SL, Reinus WR. Doubling skeletal mass during adult life: the syndrome of diffuse osteosclerosis after intravenous drug abuse. J Bone Miner Res 1996; 11:554-8. [PMID: 8992887 DOI: 10.1002/jbmr.5650110417] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A former intravenous substance abuser, seropositive for hepatitis C virus infection, was referred for diffuse osteosclerosis. There was no history of fracture or skeletal deformity. Cortical and trabecular bone density was approximately twice the mean value for controls. Skeletal histology revealed dense lamellar bone. Recognized causes of acquired generalized osteosclerosis or hyperostosis were excluded. This patient verifies the syndrome of painful diffuse osteosclerosis after intravenous drug abuse and shows that skeletal mass can be markedly increased with histologically normal, structurally sound bone during adult life. Elucidation of the etiology and pathogenesis could offer an effective treatment for osteoporosis.
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Affiliation(s)
- M P Whyte
- Department of Medicine, Jewish Hospital of St. Louis, Washington University School of Medicine, Missouri, USA
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