PubMed · 42961
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G Tournier, B Labrune, J Badoual. 1979-03-21. [Pediatrics in 1979].. https://pubmed.ncbi.nlm.nih.gov/42961/
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Two intraabdominal desmoplastic small cell tumours presenting in young adult males and involving the entire peritoneum, with no evident single primary site, have been studied. The histological pattern was suggestive of a metastatic small cell epithelial neoplasm, but immunohistochemical study revealed strong reactivity for cytokeratins, vimentin and desmin indicating synchronous epithelial and myogenous differentiation. In addition epithelial membrane antigen and neuron specific enolase were also positive. Electron microscopy showed fairly undifferentiated tumour cells with striking desmosome-like junctions, containing prominent paranuclear whorls of intermediate filaments, and a typical myofibroblastic stroma around neoplastic islands. Although the histogenesis of these recently described and rare tumours still remains uncertain, it seems that they constitute a reproducible entity which requires differential diagnosis from other small cell tumours of childhood and young adulthood.
A 40-year old man complaining of severe pain in the right mid-abdomen, nausea and vomiting was brought to the casualty department. Sonography revealed retroperitoneal masses in the right mid-abdomen and the left lower abdomen. These masses were confirmed by computed tomography and lymphography to be lymph node metastases. In the smaller right testis, in which a tumour was not suspected, a hypoechoic region was identified, which on histological examination after orchiectomy proved to be a pure seminoma.
We report a case of fatal abdominal thorotrast granuloma seen in a 65-year-old man who had undergone a femoral angiography of thorotrast with some accidental extravasation 49 years previously. As the thorotrast granuloma gradually increased in size, it caused ureteral obstruction, venous thrombosis, and perforation of the urinary bladder and rectum. Symptomatic abdominal thorotrast granuloma is quite rare and this is the first reported case of the granuloma associated with perforation through the urinary bladder and rectum.