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Leiomyomas are benign uterine smooth muscle neoplasms with varied morphology that are well known to undergo secondary changes. Cotyledonoid dissecting leiomyoma is a rare and distinct form of leiomyoma that poses a diagnostic challenge for clinicians, radiologists, and pathologists and can be confused with malignant uterine neoplasms. Only a few cases have been reported so far in the literature. Here we report a case of a cotyledonoid dissecting leiomyoma in a 60-year-old woman, emphasize its gross and histological features, and provide a review of the literature.

BACKGROUNDTuberculosis is a worldwide health problem with highest incidence in developing countries like India. It involves a large number of organs including lungs, pleural lymph nodes, genital sytem, gastrointestinal tract, etc. In resource poor countries, cytological examination of pleural fluid serves as a rapid, effective, economical and easy method of diagnosing tubercuolus pleural effusions, which can be correlated with other newer ancillary techniques.

Glomus tumor (GT) is a benign mesenchymal tumor with an estimated incidence of 1.5 to 2% of soft tissue tumors. The majority of glomus tumors are benign and are mostly seen in the superficial skin & soft tissue of upper and lower distal extremity. The malignant variant of the glomus tumor is scarce. We report a case of a recurrent glomus tumor diagnosed in a 28-year-old male patient, who complained of painful swelling in the proximal phalanx of the right index finger. The magnetic resonance imaging of the hand revealed a well-defined multilobulated soft tissue mass at the palmar aspect of the 2 nd digit along the shaft of the proximal phalanx. Histopathology revealed a well-circumscribed tumor arranged in solid sheets, nests and cords interconnect by vessels of varying size. The tumor cells were round to oval, showed moderate nuclear pleomorphism, eosinophilic cytoplasm, atypical mitoses (>5/10HPF), and necrosis. Immunohistochemically tumor cells reveal diffuse and strong cytoplasmic positivity with smooth muscle actin (SMA). Based on histomorphology and immunohistochemistry, a final diagnosis of malignant glomus tumor was made. We report this case due to its rarity, and it to be included among the differential if the lesion is painful and recurrent.

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