Primary germ cell tumors of extragonadal origin are rare and exact incidence of this type cancer is unknown. They have been estimated to represent 3-5% of all adult germ cell malignancies (1). The origin of primary extragonadal germ cell tumors (EGGCT) is still a matter of debate. According to widely accepted theory, during embryogenesis, germ cells are misplaced anywhere at the midline. The me...

OBJECTIVE We report an extremely rare case of germ-cell tumor localized at the level of the anterior mediastinum. CLINICAL PRESENTATION A 36-year-old man who presented with left subclavial vein thrombosis was admitted to our hospital for specific cure. Computed tomographic scan of the chest showed a large anterior mediastinal mass. Surgical intervention revealed an infiltrative mediastinal tu...

A 30-month-old male infant presented with sacrococcygeal and pre-sacral mass. Ultrasound (US) abdomen revealed a huge pre-sacral mass with irregular margins extending into the pelvis, pushing the rectum antero-laterally. CT scan and MRI confirmed the US findings. Serum alpha fetoprotein level was abnormally elevated. Histopathological examination of surgical-specimen suggested sacrococcygeal yo...

To the Editor: A 38‐year‐old woman presented at our hospital with a complaint of hypermenorrhea lasting 2 months. No symptoms were found by bimanual examination, and vaginal ultrasound showed endometrial thickness of 4 mm. Diagnostic curettage strongly suggested clear‐cell adenocarcinoma. Magnetic resonance imaging of the pelvis showed an intact endometrial binding zone with no extrauterine inf...

Extragonadal yolk sac tumor (YST) is a relatively rare entity. We describe here the case of an extragonadal YST that occurred in the pancreas with hepatic metastasis in an adult woman. The contrast enhanced CT images of the abdomen revealed a heterogeneous, solitary mass occupying the pancreatic neck and body with slightly inhomogeneous contrast enhancement. Two low-density lesions in the liver...

Yolk retention and yolk sac infection is considered as an important cause of death in chicken as well as in guinea fowl, duck, turkey, quail and goose. The factors which slow down the rate of yolk absorption and may in turn, lead to yolk retention are discussed. Yolk sac infection of bacterial origin is most important among these factors. Other factors which may contribute include posthatch sta...

BACKGROUND Yolk sac tumour diagnosis should be considered for young age patients admitted to the hospital with non-specific complaints of widespread disease. Correct diagnosis and carefully planned treatment is the key to a successful outcome. METHODS AND MATERIALS We present a rare case of a widespread yolk sack tumour of a uterine broad ligament. Our team directed a special attention toward...