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  • Question 1 - Biopsy of a neoplastic mass was performed. Histologic examination of the specimen showed...

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    • Biopsy of a neoplastic mass was performed. Histologic examination of the specimen showed spindle shaped cells with high nuclear/cytoplasm ratio on immunohisto chemical staining. These pleomorphic cells were vimentin positive, cytokeratin negative and cd45 negative. This type of neoplasm is most commonly found in which patient?

      Your Answer: A 15-year-old boy with a mass in the left femur and lung metastases

      Explanation:

      A histology report that describes spindle shaped cells which are vimentin positive suggests osteosarcoma and hematogenous spread to the lungs.

    • This question is part of the following fields:

      • Neoplasia; Orthopaedics
      • Pathology
      40.4
      Seconds

SESSION STATS - PERFORMANCE PER SPECIALTY

Neoplasia; Orthopaedics (1/1) 100%
Pathology (1/1) 100%
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