International Journal of Histopathological Interpretation

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Pilomatricoma is one of the common cutaneous benign adnexal tumors but the pigmented variant is rare among them. This is a case report of pigmented pilomatricoma in a young girl which has grown as a swelling over the supraclavicular region for 3 months and the histopathological features include basaloid cells and eosinophilic shadow cells with melanin deposition, calcification, and foreign body type giant cells.

Solitary fibrous tumor (SFT) is a rare mesenchymal neoplasm most commonly seen in the pleura. Rarely they can occur at extrapleural sites. SFT of the pelvis is rare with very few cases reported in the literature. We report a case of a 35-year-old female who presented with complaints of pain in abdomen for the last 1 year. Computed tomography revealed a large mass lesion in the pelvis measuring 15.9 × 12 × 13.8 cm extending up to the L4-L5 level. Bilateral ovaries were not seen separately. Histopathological examination of the resected specimen revealed an SFT.

Teratoma may comprise either well-differentiated or primitive tissue. The tumor is diagnosed as an immature teratoma if there are areas of immature tissue in the stromal, epithelial, or neural component. The ectodermal components typically include squamous epithelium and neural tissue. We are presenting here a case of sacrococcygeal teratoma with pigmented epithelium on histopathology in a newborn female child.

Online since 26^th Aug, 2016