Introduction: Renal Cell Carcinoma (RCC) is the most common type of kidney cancer, accounting for 3% of all malignancies and 85% of all malignant kidney tumors. The histological classification is of utmost importance, considering the significant prognostic and therapeutic implications of these histological subtypes. Here we report rare variant of RCC which include Oncocytic variant of papillary renal cell carcinoma (OPRCC). Case report: A middle age male presented with pain in left flank and decreased urine output. CECT Abdomen revealed a well defined solid cystic mass lesion arising from inferior polar cortex of the left kidney measuring 10.9 x 9.4 x 9.8 cm. Left radical nephrectomy was performed and the specimen was sent for histopathological examination and show features of oncocytic variant of papillary renal cell carcinoma. Conclusion:The importance of this case report is to identify the rare variants of the histological subtypes of RCC as it confers high propensity of metastasis and hence less chance of survival. OPRCC is regarded as an independent subtype of PRCC not only for its distinct pathological features but also for its indolent clinical behaviour and the tumor presents with same immunophenotypic as of type 2 but same genetic features and prognosis as of type 1 PRCC.

Ovarian teratomas are said to originate from primordial germ cells and typically contains mature (or less frequently immature) tissue derivatives of three germ cell layers (ectoderm, mesoderm and endoderm). This report includes a series of six mature ovarian teratomas, which were diagnosed in a rural tertiary health care centre over a year and highlights three (out of six) unique cases with intestinal dysplasia, gliomatosis peritonei and struma ovarii respectively. Evaluation and possible mechanism of such rare teratomas are discussed with a brief review of literature.

Introduction: Solid teratomas are relatively more common in infants and children (accounting for 15% of ovarian tumor). Though the peak age incidence is at second decade [1] . Metastatic implantation of glial tissue on surfaces of visceral or parietal peritoneum is called as Gliomatosis peritonei (GP) and its occurrence is very rare. Case Report: A 10 year old girl presented with the complaints of vague abdominal pain and discomfort for two months. Ultrasonography of the abdomen showed a heterogenous solid cystic tumor of 12 X 15 x 10 cm noted in left side of the ovary adherent to the fallopian tube. Left salpingoopherectomy was done and histopathology show features of mature solid ovarian teratoma with Gliomatosis peritonei. Conclusion:Gliomatosis peritonei is implantation of mature glial tissue on surfaces of peritoneum. It is often associated with ovarian teratoma of any grade. This is always present with massive peritoneal implantation, optimal resection is difficult. Although residual peritoneal disease can be totally quiescent over a long period, long-term follow-up is needed for patients with residual disease. A more conservative surgical approach may be carried out in patients with massive peritoneal spread.