A rare case of primary choriocarcinoma of the jejunum occurred in a 45 year old Chinese man. This tumour was associated with massive melaena and a markedly raised serum human chorionic gonadotrophin (beta-hCG) concentration. Necropsy examination showed no primary lesion in other possible sites including testes, mediastinum, and pineal gland. Histologically, the tumour showed morphology typical ...

Choriocarcinoma is a germ cell tumor containing syncytiotrophoblastic cells and secreting human Beta-HCG. Primary choriocarcinoma of the lung is extremely uncommon. The prognosis of this tumor is extremely poor, despite surgical and chemotherapeutic treatment. We report a surgically treated case of choriocarcinoma in a 37-year-old woman who came to our attention because of a isolated lung lesio...

Primary gastric choriocarcinomas are very rare, and their prognosis is extremely poor. A 37-year-old woman presented with amenorrhea, vaginal spotting and severe nausea, which mimicked a pregnancy and gestational trophoblastic disease. The serum level of the beta-subunit of human chorionic gonadotrophin (beta-hCG) was significantly increased. An endoscopic biopsy of the stomach mass showed the ...

Pulmonary embolism carries a significant morbidity and mortality. Metastatic choriocarcinoma presenting as pulmonary embolism is a rare event. Here, we report a case of a 25-year-lady with a history of worsening shortness of breath for 4 months who was treated as a case of pneumonia and tuberculosis. Owing to the worsening condition, she had a contrast enhanced computed tomography (CECT) chest ...

Two examples of intraplacental choriocarcinoma are described. Both were small and had arisen in otherwise normal third trimester placentas. The covering mantle of many of the villi adjacent to the choriocarcinomas was formed, either focally or wholly, of neoplastic trophoblastic tissue: it is only at this stage of the development of a choriocarcinoma that villous structures are present, and a s...

Primary choriocarcinoma of the ovary is rare. Furthermore, this tumor can arise from gestational tissue or pure germ cells of the ovary, with the latter resulting in non-gestational choriocarcinoma. While the clinical characteristics and histology of both tumor types are identical, differentiation of these tumors is necessary for effective treatment. One strategy for the differentiation of thes...