A rare spectrum of lesions encountered in fibroid uterus: histopathological report.

Symplasmic or atypical leiomyoma and lipoleiomyoma are two very rare morphological variants of leiomyoma of the uterus. Both the tumours show a benign behavior like the classical leiomyoma. But differentiated from the classical leiomyoma by presence of bizarre cellular pattern with paucity of mitosis and presence of mature lipocytes within a leiomyoma respectively. We report one case each of these variants in two routine fibroid uterus specimens of two different patients, as they can be misdiagnosed as leiomyosarcoma and well-differentiated liposarcoma respectively, by inexperienced pathologists.

Renal angiomyolipoma, a diagnostic dilemma: a case report.

Angiomyolipomas are the most common benign mesenchymal tumours of the kidney. Most of the angiomyolipomas in adults are asymptomatic and discovered incidentally. We report a case in a symptomatic 55 yrs old male who had a huge retroperitoneal mass abdomen and in whom diagnosis and organ of origin remained unclear until operation and histopathological study was performed. Radiological and fine needle aspiration cytology (FNAC) report of a malignant retroperitoneal tumour was given, but histological examination of the respective tumorous mass showed a benign renal tumour - angiomyolipoma. Our emphasis by reporting this case is to make cytopathologists and radiologists aware of such kind of diagnostic pitfall encountered while reporting retroperitoneal masses.