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PubMed2004

[A case of splenic hemorrhage in the course of malignant mesothelioma].

A 56-year-old man was admitted to our hospital because of mass lesions at the levels of the right upper and lower lung regions on a chest plain radiograph. Chest computed tomography showed tumors which projected from the pleura of the right upper and lower lung fields. One particular point of interest was the complete separation of the tumors from each other. Malignant mesothelioma was diagnosed by biopsy of the pleura via echogram. Both chemotherapy and radiotherapy were administered because of brain metastasis and direct rib invasion. Under this combined therapy, sudden anemia and hypotension appeared due to splenic hemorrhage, which suggested splenic metastasis of the malignant mesothelioma. Multiple metastases in, for example, the spleen, brain, lung, liver, duodenum, small intestine, kidney, adrenal gland, vertebra, thyroid gland, and lymph nodes were confirmed by autopsy. Distant metastasis is rare for malignant mesothelioma, and we report here a case of splenic metastasis with splenic hemorrhage in malignant mesothelioma.

Brain Neoplasms↗
PubMed1981

A retrospective study of canine hemangiosarcoma and its association with acanthocytosis.

A retrospective study was conducted on cases of canine hemangiosarcoma diagnosed at the Western College of Veterinary Medicine between 1969 and 1979. A total of 33 dogs were assessed with respect to breed, age, sex and site of neoplasia. Hemangiosarcoma was most common in older dogs and there was no sex predilection. Incidence was highest in German Shepherds. The primary sites in order of most frequent occurrence were spleen, right atrium and liver. Acanthocytes were found in six of 12 dogs examined. There was no association between acanthocytosis and such factors as breed, primary site of the neoplasm and splenic or hepatic involvement.

Acanthocytes↗
PubMed1991

[Radiological diagnosis of splenic metastasis and its prevalence at autopsy].

CT and US findings of 7 cases of splenic metastases are described and the prevalence of splenic metastases at autopsy in 641 cases with malignant tumors were evaluated. Metastatic foci in spleen appeared mostly as poorly-defined low density masses on CT. Iodinated contrast material was administered in 2 cases, but no contrast enhancement was observed. US showed both hypoechoic and hyperechoic patterns. These appearances were nonspecific, but were similar to those of metastatic lesions in the liver which were often visible on CT associated with splenic metastases. At autopsy splenic metastases were found in 34 of 641 cases (5.3%). Gastric, colon, lung and ovarian cancers were most common primary tumors. However, the rate of splenic metastasis per tumor was highest in ovarian cancer (50.0%), followed by malignant melanoma (33.3%), colon cancer (16.2%) and gastric cancer (8.2%). Hepatoma which had the biggest number of autopsy cases in this series showed the lowest rate of splenic metastasis (0.8%).

Aged↗