OBJECT In this study, the authors report their experience with the surgical treatment of intracranial teratomas with an emphasis on the indications for delayed resection after oncological treatment. METHODS The authors retrospectively reviewed the cases of 14 children with intracranial teratomas. The mean age at diagnosis was 10.5 years (range 2 days-18 years), and 11 patients were male. The ...

A medullary thyroid carcinoma is a malignant tumor derived from the C-cells of the thyroid. Despite their distinct embryological origin, medullary thyroid carcinomas are exceptionally accompanied by a tumor derived from the follicular cells; this is defined as mixed medullary and follicular cell carcinoma. There have been controversies regarding the origin of this rare mixed thyroid carcinoma q...

In the present investigation, a total number of 22 sheep and 29 goats were surveyed for abnormal masses showed frequently on the skin areas (ears, lips, trunk and perineal region) and eyes (either unilateral or bilateral) of both animals. A characteristic clinical signs represented as cachexia, emaciation, anemia and exophthalmic eye or both eyes. The excised masses appeared grossly as nodular ...

BACKGROUND Teratomas are a spectrum of neoplasms that can undergo malignant transformation. In the World Health Organization (WHO) classification of tumors, this entity was classified as «teratoma with somatic-type malignancy», was defined as a malignant neoplasm of non-germinal phenotype that originates in a teratoma. MATERIALS AND METHODS We present a serie of nine cases of testicular terat...

Malignant peripheral nerve sheath tumor (MPNST) is a rare malignant tumor that develops either from a preexisting neurofibroma or de novo. The cell of origin is believed to be the Schwann cell and possibly other nerve sheath cells. In this report, we describe a rare case of MPNST that arise from the socket of second left maxillary molar that has been already extracted in a young man. He was ref...

Uterine sarcomas are very unique tumors with mesodermial origin and accounting for 2-6% of uterine cancers. In general, uterine sarcomas are the most malignant tumors of the uterus. Their usual histologic types are endometrial estromal sarcoma, lieomyosarcoma and malignant mixed mullerian tumor or carcinosarcoma In this case report, a 19 year old woman with chief complaint of abnormal ute...

Carcinosarcoma of the uterus (also known as malignant mixed Mullerian tumor, MMMT). Uterine carcinosarcoma is a rare, highly aggressive, rapidly progressing neoplasm associated with poor prognosis that has not significantly improved in past 30 years despite advances imaging and adjuvant therapies. Our case Metachronous cancer where diagnosed two cancers at different time she on etoposide orally...