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Systemic Mastocytosis: Radiological Point of View. Mediterr J Hematol Infect Dis 2021; 13:e2021056. [PMID: 34527208 PMCID: PMC8425380 DOI: 10.4084/mjhid.2021.056] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 08/10/2021] [Indexed: 12/27/2022] Open
Abstract
Radiological diagnosis of systemic mastocytosis (SM) can be hard to establish. This difficulty is mainly due to the variable radiological features involving many organ systems (e.g., respiratory, cardiovascular, lympho-reticular, digestive systems, and most commonly skin), and above all, to the broad spectrum of skeletal findings. Skeletal involvement is the most common and prominent imaging feature in patients with SM and represents a prognostic factor as it may entail an aggressive course of the disease. Diagnosis, largely established by histological evaluation of a bone marrow trephine biopsy, supplemented by imaging modalities such as radiography, CT, and magnetic resonance imaging, requires a team approach between the hematologist, radiologist, and pathologist. The general radiologist needs to be familiar with the imaging findings because they may be the first to suggest the correct diagnosis. The primary purpose of this review article was to equip clinicians with pertinent radiological semiotics by presenting relevant radiological features that assist early diagnosis and selection of an effective treatment.
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Gulati V, Chalian M, Yi J, Thakur U, Chhabra A. Sclerotic bone lesions caused by non-infectious and non-neoplastic diseases: a review of the imaging and clinicopathologic findings. Skeletal Radiol 2021; 50:847-869. [PMID: 33040177 DOI: 10.1007/s00256-020-03644-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 09/30/2020] [Accepted: 10/05/2020] [Indexed: 02/02/2023]
Abstract
Bone sclerosis is a focal, multifocal, or diffuse increase in the density of the bone matrix on radiographs or computed tomography (CT) imaging. This radiological finding can be caused by a broad spectrum of diseases, such as congenital and developmental disorders, depositional disorders, and metabolic diseases. The differential diagnosis can be effectively narrowed by an astute radiologist in the light of the clinical picture and typical findings on imaging. Some of these lesions are rare and have been described as case reports and series in the literature. This article aims to collate the clinical-radiologic findings of non-infectious and non-neoplastic causes of bone sclerosis with relevant imaging illustrations.
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Affiliation(s)
| | - Majid Chalian
- Department of Radiology, Musculoskeletal Imaging and Intervention, University of Washington, Seattle, WA, USA
| | - Jaehyuck Yi
- Department of Radiology, Keimyung University School of Medicine, Daegu, Republic of Korea
| | - Uma Thakur
- Radiology, UT Southwestern Medical Center, Dallas, TX, USA
| | - Avneesh Chhabra
- Radiology, UT Southwestern Medical Center, Dallas, TX, USA.
- Orthopaedic Surgery, UT Southwestern Medical Center, Dallas, TX, USA.
- Musculoskeletal Radiology, UT Southwestern Medical Center, 5323 Harry Hines Blvd, Dallas, TX, 75390-9178, USA.
- Johns Hopkins University, Baltimore, MD, USA.
- Walton Centre of Neurosciences, Liverpool, UK.
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Leone A, Criscuolo M, Gullì C, Petrosino A, Carlo Bianco N, Colosimo C. Systemic mastocytosis revisited with an emphasis on skeletal manifestations. Radiol Med 2020; 126:585-598. [PMID: 33242205 DOI: 10.1007/s11547-020-01306-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Accepted: 11/15/2020] [Indexed: 12/12/2022]
Abstract
Systemic mastocytosis (SM) is a rare form of mastocytosis that can affect various organ systems. Bone involvement is the most common and prominent imaging feature in patients with SM regardless of the subtype. Furthermore, bone involvement is a prognostic factor as it may entail an aggressive course of the disease. Diagnosis is established by bone marrow biopsy complemented by imaging modalities such as radiography, CT, and magnetic resonance (MR) imaging. The radiographic and CT appearances are that of sclerotic, lytic, or mixed patterns with focal or diffuse distribution, involving primarily the axial skeleton and the ends of the long bones. Bone marrow infiltration is best recognized on MR imaging. Osteoporosis is common in SM; thus, a bone mineral density measurement at lumbar spine and proximal femur by dual-energy X-ray absorptiometry should be obtained. Imaging plays a huge part in the diagnostic process; when skeletal imaging findings are carefully interpreted and correlated with clinical features, they can lead to the suspicion of SM. The primary aims of this review article were to focus on the role of imaging in detection and characterization of skeletal patterns of SM and to discuss relevant clinical features that could facilitate prompt and correct diagnosis.
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Affiliation(s)
- Antonio Leone
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy.
| | - Marianna Criscuolo
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy
| | - Consolato Gullì
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy
| | - Antonella Petrosino
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy
| | - Nicola Carlo Bianco
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy
| | - Cesare Colosimo
- Department of Radiological and Hematological Sciences Fondazione, Policlinico Universitario A. Gemelli, IRCCS Università Cattolica del Sacro Cuore, Largo A. Gemelli, 100168, Rome, Italy
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Ozturk K, Cayci Z, Gotlib J, Akin C, George TI, Ustun C. Non-hematologic diagnosis of systemic mastocytosis: Collaboration of radiology and pathology. Blood Rev 2020; 45:100693. [PMID: 32334853 DOI: 10.1016/j.blre.2020.100693] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 01/28/2020] [Accepted: 04/02/2020] [Indexed: 11/19/2022]
Abstract
Systemic mastocytosis (SM) is a hematologic disease with a wide range of clinical courses ranging from an indolent condition with normal life expectancy to exceedingly aggressive disorder with a poor prognosis. The symptoms and signs of SM result from the release of mast cell mediators with heterogeneous functions, and/or organ damage from neoplastic mast cell infiltration, or both. Diagnostic criteria for SM are well-defined by the World Health Organization (WHO). However, the diagnosis of SM can be difficult when especially it is not in the differential diagnosis. Routinely used radiologic techniques (e.g., X-ray, ultrasound, CT scans can show findings such as lytic-, sclerotic- or mixed-bone lesions, splenomegaly, hepatomegaly, retroperitoneal or periportal mesenteric lymphadenopathy, and omental thickening). It is essential to emphasize that the constellation of these radiologic findings should strongly concern of SM, especially in patients who also have a skin rash, allergic reactions, gastrointestinal tract symptoms (lasting, intermittent nausea, diarrhea), paroxysmal tachycardias, unexplained weight loss, persistent bone pain, cytopenias, liver dysfunction, eosinophilia. These findings, even coincidentally noted, will likely lead to a tissue biopsy, which reveals diagnosis (as we discussed and illustrated some tissue biopsies here). Moreover, the role of MRI and new techniques such as [18-fluorodeoxyglucose positron emission computed tomography, fibroscan] in the diagnosis of SM have been discussed. Furthermore, we reviewed the use of radiologic methods to evaluate treatment response and prognostication of SM..
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Affiliation(s)
- Kerem Ozturk
- Department of Radiology, University of Minnesota Medical Center, Minneapolis, MN, USA
| | - Zuzan Cayci
- Department of Radiology, University of Minnesota Medical Center, Minneapolis, MN, USA
| | - Jason Gotlib
- Division of Hematology, Stanford Cancer Institute, Stanford University School of Medicine, CA, USA
| | - Cem Akin
- Division of Allergy and Clinical Immunology, University of Michigan, Ann Arbor, MI, USA
| | - Tracy I George
- Department of Pathology, University of Utah, Salt Lake City, UT, USA
| | - Celalettin Ustun
- Division of Hematology, Oncology and Cellular Therapy, Department of Medicine, Rush University, Chicago, IL, USA.
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Magnetic resonance imaging reveals distinct bone marrow patterns in indolent and advanced systemic mastocytosis. Ann Hematol 2019; 98:2693-2701. [PMID: 31686155 DOI: 10.1007/s00277-019-03826-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 10/19/2019] [Indexed: 10/25/2022]
Abstract
Systemic mastocytosis (SM) is broadly subcategorized according to mast cell (MC) burden and organ involvement into indolent (ISM), smoldering (SSM), and advanced SM (AdvSM). However, the pattern and extent of bone involvement remains controversial. In this institutional review board (IRB)-approved study, 115 patients with different forms of SM (ISM (n = 37, 32%), SSM (n = 9, 8%), and AdvSM (n = 69, 60%)) underwent a whole-body magnetic resonance imaging including sagittal and coronal T1 and turbo inversion recovery magnitude (TIRM) sequences of the spine. The evaluation included the pattern and extent of pathologic bone marrow (BM) signals in the spine and extremities, osteolytic lesions, and vertebral fractures. A pathologic BM pattern was observed in 4/37 (11%), 8/9 (89%), and 66/69 (96%); affection of the appendicular skeleton in 3/37 (8%), 8/9 (89%), and 67/69 (97%); and vertebral fractures in 7/37 (19%), 0/9, and 13/69 (19%) patients with ISM, SSM, and AdvSM, respectively. In AdvSM, pathologic BM pattern included activated (62%), diffuse sclerotic (25%), and small-spotted BM (9%), respectively. Only activated/sclerotic BM was associated with significantly higher MC burden, organ damage, and inferior median survival (2.9 years, p = 0.04). Vertebral fractures resembled classical multi-segmental osteoporotic fractures in ISM but not in AdvSM in which they were only found in activated/sclerotic BM. Only one patient with AdvSM had a focal osteolytic lesion in the femur. Activated/sclerotic BM changes of the spine and affection of the appendicular skeleton are indicative for SSM or AdvSM. Osteolytic lesions, which are very rare, and osteoporotic fractures are ineligible for the diagnosis of AdvSM.
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Epelboym Y, Keraliya AR, Tirumani SH, Hornick JL, Ramaiya NH, Shinagare AB. Differences in the imaging features and distribution of non-indolent and indolent mastocytosis: a single institution experience of 29 patients. Clin Imaging 2017; 44:111-116. [DOI: 10.1016/j.clinimag.2017.05.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 04/21/2017] [Accepted: 05/01/2017] [Indexed: 11/27/2022]
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Hemke R, Maas M. Diseases of the Reticuloendothelial System. MAGNETIC RESONANCE IMAGING OF THE BONE MARROW 2013:177-192. [DOI: 10.1007/174_2012_717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Fritz J, Fishman EK, Carrino JA, Horger MS. Advanced imaging of skeletal manifestations of systemic mastocytosis. Skeletal Radiol 2012; 41:887-97. [PMID: 22366736 DOI: 10.1007/s00256-012-1374-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2011] [Revised: 01/26/2012] [Accepted: 01/27/2012] [Indexed: 02/02/2023]
Abstract
Systemic mastocytosis comprises a group of clonal disorders of the mast cell that most commonly involves the skeletal system. Imaging can be helpful in the detection and characterization of the osseous manifestations of this disease. While radiography and bone scans are frequently used for this assessment, low-dose multidetector computed tomography and magnetic resonance imaging can be more sensitive for the detection of marrow involvement and for the demonstration of the various disease patterns. In this article, we review the pathophysiological and clinical features of systemic mastocytosis, discuss the role of imaging for staging and management, and illustrate the various cross-sectional imaging appearances. Awareness and knowledge of the imaging features of this disorder will increase the accuracy of image interpretation and can contribute important information for management decisions.
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Affiliation(s)
- J Fritz
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N Wolfe Street, Baltimore, MD 21287, USA.
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Multiple bone lesions resembling a metastatic origin. An unexpected diagnosis. Clin Transl Oncol 2008; 10:241-5. [DOI: 10.1007/s12094-008-0190-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Bulakbasi N, Kocaoglu M, Karademir I, Ustunsoz B. Craniospinal Involvement in a Patient with Isolated Bone Marrow Mastocytosis. Neuroradiol J 2007; 20:359-63. [DOI: 10.1177/197140090702000320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2007] [Accepted: 05/27/2007] [Indexed: 11/17/2022] Open
Abstract
Central nervous system involvement in systemic mastocytosis (SM) is very rare. This case report describes the computed tomography and magnetic resonance (MR) imaging findings of central nervous system involvement in a patient with isolated bone marrow mastocystosis. Bone marrow infiltration in SM caused cranial nerve dysfunction and meningeal irritation secondary to narrowing of cranial apertures and meningeal involvement, respectively. MR imaging is the modality of choice in both detection and follow-up of SM and also useful for differential diagnosis and detection of complications.
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Affiliation(s)
- N. Bulakbasi
- Radiology Deparment, Gulhane Military Medical Academy; Etlik, Ankara, Turkey
| | - M. Kocaoglu
- Radiology Deparment, Gulhane Military Medical Academy; Etlik, Ankara, Turkey
| | - I. Karademir
- Radiology Deparment, Gulhane Military Medical Academy; Etlik, Ankara, Turkey
| | - B. Ustunsoz
- Radiology Deparment, Gulhane Military Medical Academy; Etlik, Ankara, Turkey
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Alyas F, Saifuddin A, Connell D. MR Imaging Evaluation of the Bone Marrow and Marrow Infiltrative Disorders of the Lumbar Spine. Magn Reson Imaging Clin N Am 2007; 15:199-219, vi. [PMID: 17599640 DOI: 10.1016/j.mric.2007.03.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The use of MR imaging in assessing lumbar bone marrow first requires an understanding of the bone marrow's normal composition and the various imaging sequences available for use. One of the most useful sequences is the T1-weighted spin-echo sequence. This sequence may be combined with other sequences such as T2-weighted or diffusion-weighted sequences; techniques such as fat suppression, chemical shift imaging, and contrast-enhanced imaging are discussed. The varying features of normal lumbar marrow related to the normal physiologic changes that occur with aging and with changes in hematopoietic demand are important to understand and are described. The appearances of infiltrative marrow disease are explained on the basis of marrow composition and whether disease causes proliferation, replacement, or depletion of normal marrow components.
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Affiliation(s)
- Faisal Alyas
- Department of Radiology, Royal National Orthopaedic Hospital, Brockley Hill, Stanmore, Middlesex, London, UK, HA7 4LP
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Kushnir-Sukhov NM, Brittain E, Reynolds JC, Akin C, Metcalfe DD. Elevated Tryptase Levels Are Associated with Greater Bone Density in a Cohort of Patients with Mastocytosis. Int Arch Allergy Immunol 2006; 139:265-70. [PMID: 16449817 DOI: 10.1159/000091172] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2005] [Accepted: 10/18/2005] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Mastocytosis is associated with a pathological increase in tissue mast cells. Associated skeletal problems include a decrease in bone density and pathological fractures. METHODS In order to explore the relationship between bone density and the severity of mastocytosis, 21 patients with mastocytosis who underwent dual-energy X-ray absorptiometry were entered into this study. Correlation coefficients were computed between Z-scores and demographic, clinical and laboratory data. Femoral neck Z-scores correlated with serum tryptase levels when all the patients were considered (p=0.029). RESULTS AND CONCLUSION Patients with less severe disease had significantly lower values at the L1-L4 spine (p=0.046) and femoral neck (p=0.029) Z-scores compared to patients with more severe disease. Most patients who had low Z-scores (between -1 and -2.5) were under 50 years of age, had less severe disease and had lower serum tryptase levels. A history of gastroesophageal reflux disease and a history of hypotensive episodes correlated with lower L1-L4 spine Z-scores (p<0.05). Thus, patients with less severe disease and lower serum tryptase levels should in particular have their bone density determined with treatment appropriate to the findings.
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Abstract
Systemic mastocytosis is a fascinating disease with diverse clinical features. There have been numerous advances in understanding the basis of clinical manifestations of this disease and of its molecular pathogenesis in the last several decades. The development of methods to study mast cell biology using cell culture and murine models has proven invaluable in this regard. Clarification of the roles of mast cells in various biological processes has expanded our understanding of their importance in innate immunity, as well as allergy. New diagnostic methods have allowed the design of detailed criteria to assist in distinguishing reactive mast cell hyperplasia from systemic mastocytosis. Variants and subvariants of systemic mastocytosis have been defined to assist in determining prognosis and in management of the disease. Elucidation of the roles of the Kit receptor tyrosine kinase and signal transduction pathway activation has contributed to development of potential targeted therapeutic approaches that may prove useful in the future.
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Affiliation(s)
- Jamie Robyn
- Laboratory of Allergic Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, Maryland, USA
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Nöbauer I, Uffmann M. Differential diagnosis of focal and diffuse neoplastic diseases of bone marrow in MRI. Eur J Radiol 2005; 55:2-32. [PMID: 15950098 DOI: 10.1016/j.ejrad.2005.01.015] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2005] [Revised: 01/20/2005] [Accepted: 01/26/2005] [Indexed: 11/18/2022]
Abstract
Magnetic resonance imaging (MRI) has become the preferred imaging modality for the evaluation of malignant disease in the bone marrow. Compared to bone marrow aspiration and biopsy, MRI is noninvasive and provides information by sampling a large volume of bone marrow. Due to disease-related alterations in the composition of bone marrow, MRI provides a very high sensitivity, but lacks specificity for most bone marrow disorders. However, MRI can be a very valuable diagnostic tool properly placed within the clinical context.
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Affiliation(s)
- Iris Nöbauer
- Allgemeines Krankenhaus Wien, Medizinuniversität Wien, Universitätsklinik für Radiodiagnostik, Währinger Gürtel 18-20, A-1090 Wien, Austria.
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Abstract
Systemic mastocytosis is a rare and occasionally aggressive condition that raises major diagnostic challenges. We report a case in a 72-year-old patient in whom the diagnosis of malignant mastocytosis required two bone marrow smears and three bone marrow biopsies examined using specific staining techniques. Despite interferon therapy, a mast-cell sarcoma of the sternum developed 1 year after symptom onset, followed 1 year later by acute myeloblastic leukemia, which was rapidly fatal.
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Affiliation(s)
- Rachida Inaoui
- Rheumatology department du CHU Dupuytren, 2, avenue Martin-Luther-King, 87042 Limoges cedex, France
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Zettinig G, Becherer A, Szabo M, Uffmann M, Dudczak R, Valent P, Kletter K. FDG positron emission tomography in patients with systemic mastocytosis. AJR Am J Roentgenol 2002; 179:1235-7. [PMID: 12388504 DOI: 10.2214/ajr.179.5.1791235] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
OBJECTIVE Systemic mastocytosis is a hematologic neoplasm characterized by abnormal accumulation and growth of mast cells in one or more organ systems. We analyzed five patients with systemic mastocytosis referred for FDG positron emission tomography who had biopsy-proven mast cell infiltrates in various organs. CONCLUSION Our findings indicate that FDG positron emission tomography is not useful for staging and follow-up of aggressive systemic mastocytosis.
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Affiliation(s)
- Georg Zettinig
- Department of Nuclear Medicine, University of Vienna, Währinger Gürtel 18-20, A-1090 Wien, Austria
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Case records of the Massachusetts General Hospital. Weekly clinicopathological exercises. Case 9-2000. A 41-year-old man with multiple bony lesions and adjacent soft-tissue masses. N Engl J Med 2000; 342:875-83. [PMID: 10727593 DOI: 10.1056/nejm200003233421208] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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