Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components
Objective: The aim of this study was to define histopathological features of giant cell tumor of bone, especially accompanying fibrohistiocytic or aneurysmal bone cyst like components, in the light of our institutions experience. Methods: A total of 120 cases (64 females and 56 males; mean age: 36.2...
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2019-01-01
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| Series: | Acta Orthopaedica et Traumatologica Turcica |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S1017995X17302900 |
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| author | Nil Çomunoğlu Nuray Kepil Sergülen Dervişoğlu |
| author_facet | Nil Çomunoğlu Nuray Kepil Sergülen Dervişoğlu |
| author_sort | Nil Çomunoğlu |
| collection | DOAJ |
| description | Objective: The aim of this study was to define histopathological features of giant cell tumor of bone, especially accompanying fibrohistiocytic or aneurysmal bone cyst like components, in the light of our institutions experience. Methods: A total of 120 cases (64 females and 56 males; mean age: 36.2 (12–80)) with ‘GCT’ diagnosed between the years 1996–2016 were included in this retrospective analysis. Cases were evaluated according to clinical features such as age, gender, localization, recurrence, metastasis and histopathological features. Results: Tumors were localized most frequently at proximal tibia and distal femur, respectively. In 11 cases areas rich in fibrohistiocytic component and in 20 cases aneurysmal bone cyst like component were observed. In 2 cases both components were present. Twenty three cases recurred. In 1 case which was primarily located at calcaneus, tumor metastasized to lung 4 years later during follow-up. Conclusion: GCT can be confused with other tumor or tumor-like lesions involving giant cells. Secondary changes such as fibrohistiocytic or aneurysmal bone cyst-like components and coagulation necrosis were frequently seen in conventional giant cell tumor of bone. For tumors having prominent fibrohistiocytic and/or aneurysmal bone cyst-like components, in order to detect characteristic areas representing GCT, additional sampling is essential. Although secondary histopathological changes do not appear to affect clinical outcome, these features are important in differential diagnosis. Approximately one fifth of GCT cases show recurrence and sacrum and foot bones were the most frequent sites for recurrence. Level of evidence: Level IV, diagnostic study. Keywords: Giant cell tumor of bone, Osteoclastoma, Bone tumors, Pathology, Bone |
| format | Article |
| id | doaj-art-a8d19f74a0c245e8b0fa146d4a742e03 |
| institution | Matheson Library |
| issn | 1017-995X |
| language | English |
| publishDate | 2019-01-01 |
| publisher | AVES |
| record_format | Article |
| series | Acta Orthopaedica et Traumatologica Turcica |
| spelling | doaj-art-a8d19f74a0c245e8b0fa146d4a742e032025-08-02T16:10:52ZengAVESActa Orthopaedica et Traumatologica Turcica1017-995X2019-01-015313539Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like componentsNil Çomunoğlu0Nuray Kepil1Sergülen Dervişoğlu2Istanbul University, Cerrahpasa Medical Faculty, Department of Pathology, Istanbul, Turkey; Corresponding author. General Asım Gündüz Str., 69/2, Kadikoy, Istanbul, 34000, Turkey. Tel.: +90 212 4143000 22138.Istanbul University, Cerrahpasa Medical Faculty, Department of Pathology, Istanbul, TurkeyMedipol University, Department of Pathology, Istanbul, TurkeyObjective: The aim of this study was to define histopathological features of giant cell tumor of bone, especially accompanying fibrohistiocytic or aneurysmal bone cyst like components, in the light of our institutions experience. Methods: A total of 120 cases (64 females and 56 males; mean age: 36.2 (12–80)) with ‘GCT’ diagnosed between the years 1996–2016 were included in this retrospective analysis. Cases were evaluated according to clinical features such as age, gender, localization, recurrence, metastasis and histopathological features. Results: Tumors were localized most frequently at proximal tibia and distal femur, respectively. In 11 cases areas rich in fibrohistiocytic component and in 20 cases aneurysmal bone cyst like component were observed. In 2 cases both components were present. Twenty three cases recurred. In 1 case which was primarily located at calcaneus, tumor metastasized to lung 4 years later during follow-up. Conclusion: GCT can be confused with other tumor or tumor-like lesions involving giant cells. Secondary changes such as fibrohistiocytic or aneurysmal bone cyst-like components and coagulation necrosis were frequently seen in conventional giant cell tumor of bone. For tumors having prominent fibrohistiocytic and/or aneurysmal bone cyst-like components, in order to detect characteristic areas representing GCT, additional sampling is essential. Although secondary histopathological changes do not appear to affect clinical outcome, these features are important in differential diagnosis. Approximately one fifth of GCT cases show recurrence and sacrum and foot bones were the most frequent sites for recurrence. Level of evidence: Level IV, diagnostic study. Keywords: Giant cell tumor of bone, Osteoclastoma, Bone tumors, Pathology, Bonehttp://www.sciencedirect.com/science/article/pii/S1017995X17302900 |
| spellingShingle | Nil Çomunoğlu Nuray Kepil Sergülen Dervişoğlu Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components Acta Orthopaedica et Traumatologica Turcica |
| title | Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| title_full | Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| title_fullStr | Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| title_full_unstemmed | Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| title_short | Histopathology of giant cell tumors of the bone: With special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| title_sort | histopathology of giant cell tumors of the bone with special emphasis on fibrohistiocytic and aneurysmal bone cyst like components |
| url | http://www.sciencedirect.com/science/article/pii/S1017995X17302900 |
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