Primary cutaneous osteosarcoma of the scalp

BMJ Case Reports
Yusra Al-JanabiMahir Petkar

Abstract

Primary cutaneous extraskeletal osteosarcoma (PCEO) is a rare malignant neoplasm with less than 20 cases reported in the literature to date. Presenting as a nodule or mass on the skin, commonly at sites of previous trauma or radiation, these lesions are differentiated from other neoplasms through their characteristic microscopic appearance. This report highlights a case of PCEO in a 75-year-old man with a history of squamous cell carcinoma (SCC) of the scalp. Histological examination of a scalp nodule in the region of a previously excised SCC revealed proliferation of osteoid surrounded by malignant osteocytes. An overview of this condition and differential diagnoses are presented in this report.

References

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Citations

Aug 10, 2019·Dermatologic Surgery : Official Publication for American Society for Dermatologic Surgery [et Al.]·Panayiota GovasBryan T Carroll

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