Abstract Background 0.17–2% of mature cystic teratoma of the ovary (MCTO) undergo
malignant transformation, of which 80% are squamous cell carcinoma (SCC) transformation …

Background Advanced head and neck squamous cell carcinomas frequently develop distant
metastases to limited organs, including the lungs, bone, mediastinal lymph nodes, brain …

Dermoid cysts, or mature cystic teratomas, are complicated by malignant degeneration in
only 1–2% of cases. Rarely, dermoid cysts result in complications of small bowel obstruction …

Metastatic disease to the duodenum or peritoneum from a primary head and neck carcinoma
is an extremely rare presentation. We report the case of a 68-year-old male with a history of …

Purpose Current population-based estimates of the incidence and prognosis of lung
metastases of hypopharyngeal cancer are lacking. The purpose of the study is to …

Purpose: To explore the clinical characteristics and identify potential prognostic factors
associated with malignant transformation (MT) of ovarian mature cystic teratoma (MCT) …

A 33-year-old woman, P2L2, presented with complaints of intractable dry cough for three
months with nausea, vomiting, loss of appetite, and occasional episodes of fever. She had …

Discussion Le tératome kystique mature de l'ovaire (TKO) aussi appelé kyste dermoïde
représente 10-20% des kystes ovariens bénins. Sa cancérisation est un évènement rare …

Pure primary squamous cell carcinoma (SCC) of the ovary is extremely rare. SCC can also
arise in a mature cystic teratoma or dermoid cyst, in an ovarian endometrioma or in a …

Discussion: Ovarian teratomas are the most common nonepithelial benign ovarian tumor
with about 30% of diagnosed women presenting with abdominal or pelvic pain. 1 Associated …