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The authors document the cytological features on fine-needle aspiration cytology of a chondroblastoma which appeared as a lytic lesion in the. Chondroblastoma is an uncommon benign cartilage producing neoplasm with a characteristic epiphyseal location. This report documents the. Chondroblastoma is a rare primary bone tumor of young people .. Fine needle aspiration cytology of chondroblastoma of bone. Cancer.

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Fine needle aspiration cytology of chondroblastoma of the fibula

Magnetic resonance imaging of leg showed abnormal marrow infiltration in medullary cavity of head and upper shaft of fibula hypo-intense on T1-weighted T2-weighted sequences and hypo-to hyper-intense on short tau inversion recovery STIR sequence, the vertical length being 8 cm approximately. Tohoku J Exp Med ; High failure rate of aspiration cytology in bone tumors is mainly due to the hardness and fibrous nature of the tumors and if they are guarded by thick cortex leading to difficulty in piercing the needle.

Long-term clinical follow-up is mandated because of high risk of recurrence and rare occurence of malignant transformation. Aggressive scapular chondroblastoma with secondary metastasis: Fine needle aspiration cytology in the management of tumors and tumor like lesions of bone.

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World health organization classification of tumours: Radiograph showed a well-defined lytic, eccentric, expansile lesion with cytolpgy rim in cyto,ogy epimetaphyseal region at chondroblxstoma lower end of femur [Figure – 1]. None, Conflict of Interest: With reference to the histogenesis of chondroblastoma, chondromyxoid fibroma and mesenchymal chondrosarcoma.

The sites of predilection are long tubular bones in about half the cases, particularly distal femur and proximal tibia, while in one third of cases flat bones, such as the ileum, are involved. FNAC was performed by the nonaspiration technique in the first patient using a 24 gauge needle while for the second case, ultrasound-guided aspiration was done because the lesion was deep-seated.

Fine needle aspiration cytology of chondroblastoma of the fibula

A diagnostic pitfall on aspiration cytology of Parotid. Radiograph showed an eccentric, expansile, lytic lesion at the metaphyseal region at upper end of tibia.

A Reinterpretation of the so-called calcifying or chondromatous giant cell tumor. Clinical diagnosis was giant cell tumor of bone.

Koss’s diagnostic cytology and its histologic bases. The authors document the cytologgy features on fine-needle aspiration cytology FNAC of a chondroblastoma which appeared as a lytic lesion in the upper end of the right fibula, an uncommon site, in an year-old male patient. Journal List J Cytol v.

Cytological diagnosis of chondroblastoma: diagnostic challenge for the cytopathologist

Cyttology of cartilage formation and chicken wire calcification were noted [ Figure 1d ]. Both the cases being presented had the typical clinical features of pain and swelling.


Their cytoplasm was dense with rounded well-defined borders. Their anatomic and theoretical basis with an emphasis on radiology, pathology and clinical biology. Benign and malignant cartilage tumors of bone and joint: Occasional binucleate cells were observed.

Pathology Outlines – Chondroblastoma

We report here a unique case of chondroblastoma of the fibula with extracortical soft tissue invasion. Thin network chicken-wire like to dense obvious deposits of calcification was evident.

Chondroblastoma is a rare, giant cell-rich, benign neoplasm of bone. J Bone Joint Surg Br ; It is usually treated by curettage and bone graft. Diagnostic pitfalls in fine-needle aspiration cytology of temporomandibular chondroblastoma: Calcification; chondroblastoma; fine needle aspiration cytology FNAC ; giant cells.

Due to the difference in the treatment protocol and prognosis, preoperative diagnosis is mandatory.

Chondroblastoma of the talus: Tibialis anterior vessels and deep peroneal nerve were encased. Many times, chondroblastoma is mistaken as giant cell tumor on aspiration cytology.