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Charcotian eponyms.

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Arthropathy, Neurogenic↗

The men behind the eponym--Abraham Buschke and Ludwig Lowenstein: giant condyloma (Buschke-Loewenstein).

In 1925 Abraham Buschke and Ludwig Loewenstein described a neoplasm of the penis (carcinomähnliche condylomata acuminata des penis), which, to them, bore resemblances to common condyloma acuminatum and squamous cell carcinoma, but it had histopathologic and clinical characteristics that differed from these 2 proliferations. Later Lauren V. Ackerman described a similar neoplasm of the oral mucosa that he termed "verrucous carcinoma." I have previously reviewed that neoplasm, now referred to as "oral verrucous carcinoma of Ackerman." Still later Aird and his colleagues described a unique neoplasm of the foot, "carcinoma cuniculatum." These 3 have been grouped generically as "verrucous carcinoma." Verrucous carcinomas occur at many sites including the female genitalia and the aerodigestive system. This report will synopsize the lives of Abraham Buschke and Ludwig Loewenstein, review their original articles, and mention the changing concepts over time concerning condylomata, particularly large condylomata. Some other reports of giant condyloma (verrucous carcinoma of the penis) will be discussed, emphasizing the histopathology of this neoplasm and its differentiation from "warty-like" carcinomas of the penis. Verrucous carcinoma of other sites and epithelioma (carcinoma) cuniculatum will not be discussed.

Condylomata Acuminata↗

The tendons of Todaro and the "triangle of Koch": lessons from eponymous hagiolatry.

INTRODUCTION: There is growing use of the Todaro tendon and triangle of Koch as anatomic icons for invasive cardiac electrophysiologists. Reasons exist to doubt this validity. METHODS AND RESULTS: Histologic sections were prepared from 96 anatomically normal human hearts. The study area extended from the crista supraventricularis to the eustachian valve and included the AV node and His bundle. This encompasses any tendon of Todaro. Because the purported triangle of Koch includes the tendon of Todaro, all of Koch's available publications were examined. The tendon of Todaro is absent in only one fourth of infant hearts, but in two thirds of adult hearts. Tendons present were less often single than double or more, rarely exceeded 4 mm in length, and were seldom > 1 mm in diameter. Tendons usually originated from the central fibrous body and ended in the eustachian valve. Their origin most often was over the His bundle or its junction with the AV node, rather than the AV node. Tendons were primarily composed of collagen. Koch never described any triangle or acknowledged existence of tendons of Todaro. CONCLUSION: Todaro tendons are too often absent (or multiple) to warrant use as anatomic landmarks. Without this side of the supposed triangle of Koch, the entire tendon and triangle concept collapses and should be abandoned. There are numerous far more constant anatomic landmarks available to orient one to the human AV node and His bundle; these are briefly reviewed.

Adolescent↗