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OrthoVellum

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Oncology
intermediate
X-Type

Adamantinoma

Primary Bone Tumours

A 28-year-old man presents with a 2-year history of slowly progressive anterior leg pain and a palpable mass. X-ray shows a well-defined, multi-loculated, eccentric lytic lesion of the anterior tibial cortex with surrounding sclerosis. The lesion extends over 10cm in the diaphysis. MRI confirms cortical-based lesion without significant soft tissue extension. Biopsy shows nests of epithelial cells within fibrous stroma. Regarding adamantinoma:

Mark each as TRUE or FALSE

A

Adamantinoma is a low-grade malignant epithelial tumour with a strong predilection for the tibial di...

B

Histologically, adamantinoma shows islands or nests of epithelial cells (keratin-positive, EMA-posit...

C

Adamantinoma is a high-grade aggressive sarcoma; it most commonly affects the femur; it occurs predo...

D

Radiographically, adamantinoma appears as an eccentric, lytic, multi-loculated (soap-bubble) lesion ...

E

Treatment is wide surgical excision with limb salvage when possible; intralesional procedures (curet...

Answer the questions to see explanations

Click T (True) or F (False) for each option