. Journal of radiology . he most common site forepithelioma of the penis is on EPITHELIOMA OF THE PENIS—SCHREINER AND KRESS the glans (Barney—69%); four-teen of our cases were in this lo-cation, and four were on the pre-puce. These growths are either ofthe papillary type, especially onthe glans penis, or the infiltratingepithelioma which is the usualtype found on the prepuce( Partsch). The histological struc-ture of epithelioma of the penisshows numerous pearls and horn-ifications, which are also wellmarked in the metastases that oc-cur in this disease. before reaching the critical con-dition.
. Journal of radiology . he most common site forepithelioma of the penis is on EPITHELIOMA OF THE PENIS—SCHREINER AND KRESS the glans (Barney—69%); four-teen of our cases were in this lo-cation, and four were on the pre-puce. These growths are either ofthe papillary type, especially onthe glans penis, or the infiltratingepithelioma which is the usualtype found on the prepuce( Partsch). The histological struc-ture of epithelioma of the penisshows numerous pearls and horn-ifications, which are also wellmarked in the metastases that oc-cur in this disease. before reaching the critical con-dition. Cases have been knownto live eleven years without op-eration. The gross mortality isestimated about 32% Fifteenper cent of the cases develop vis-ceral metastases. All types ofcases give a 38% recovery bysurgical methods (?). Recur-rences are usually observed dur-ing the first year. A few occurfrom one to five years and anoccasional case has been observedwhich recurred after eight this series the duration of. Figure 1— Before treatment, May 15, 191S. There were two cases of ma-lignant papilloma. In these therewas marked surface proliferationwith little tendency to infiltra-tion or metastasis. Thick layersof irregular epithelial cells show-ing numerous mitotic figures, ar-range themselves upon a delicateframework of connective type is comparatively be-nign. The course of the disease isusually relatively slow (Barney) Case No. 1After treatment, June 10, 1921. the lesions, before treatment wasinstituted, varied from sixmonths to two years. Six caseswere far advanced and showeddefinite metastases. Of thesethree were operated upon. Allin this group died. Twelve caseson admission had distinct pal-pable nodes in the groins; five ofthese were operated upon butshowed no histological evidenceof metastases in the lymphnodes. These cases are still un- Page Thirty-three EPITHELIOMA OF THE PENIS—SCHREINER AND KRESS der observation. One case wastreated by radical
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