Biomedical subjects
Publications and source records attributed to A S Kossow.
A man presented to the emergency room with testicular pain and swelling. Bilateral synchronous testicular torsion was diagnosed and treated. Physical and radiographic findings are discussed as well as differential diagnosis. Avoiding the confusion between torsion and epididymitis with the help of the nuclear scan is stressed.
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Mesotheliomas are neoplasms arising from the serous membranes lining the body cavities. One such cavity, the tunica vaginalis propria testis, is a common site for development of the benign mesothelioma, the adenomatoid tumor. However, the malignant mesothelioma is a rare neoplasm in this region. We report a case of a malignant mesothelioma of the testicular tunic. We review briefly the history of malignant mesothelioma, compare it with the adenomatoid tumor and discuss the possible embryologic histogenesis of these tumors.
Bowenoid papulosis of the penis is a recently emerged entity that clinically resembles benign dermatosis but it is histologically identical to pre-invasive carcinoma. Its lesions are multiple, painless and wart-like in appearance, and occur in young, circumcised men between 21 and 38 years old. Therapy consists of excision, electrodissection or topical 5-fluorouracil. We report 2 cases of bowenoid papulosis of the penis and compare this entity to Bowen's disease, erythroplasia of Queyrat and invasive carcinoma.
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A nineteen-year retrospective study of the usefulness of liver scanning in the staging evaluation of germinal cell testicular neoplasms was undertaken at the National Naval Medical Center. Of 94 patients, 90 (96 per cent) demonstrated accurate correlation between liver scan and histopathologic diagnosis.