Villela-Segura U, Alcalá-Pérez D

Language: Spanish
References: 11
Page: 306-309
PDF size: 121.32 Kb.

ABSTRACT

Introduction: the non-melanoma skin cancer is the most common cutaneous malignant tumor, being the head is the most affected localization. The auricular presentation occurs in the 6% of the cases. The epidemiological and clinical data regarding this anatomic site is scarce.
Material and methods: this was a retrospective, descriptive, and retrolective study held in the Centro Dermatológico Dr. Ladislao de la Pascua, Mexico City. The data was collected from the year 1987 to 2020. We registered information regarding age, gender, type of tumor, histological variety, localization, affected site, and treatment.
Results: we included 258 patients, the 53.4% were woman and the 46.5% men. The most frequent tumor was the basal cell carcinoma (BCC) in the 67.06% of the cases, followed by the squamous cell carcinoma (SCC) in the 25.2%, melanoma in 3.87%, and other tumors in 3.87%. The most frequent localization was pre-auricular region in 41.47% patients, followed by helix 31.78%, retro-auricular region in 18.99%, infra-auricular region in 2.71%, lobule in 1.93%, antihelix in 1.55%, concha in 1.16%, and tragus in 0.38%. The left side was the most affected in 54.58%. The most common histology variant for BCC was the nodular in 42.69%, followed by the infiltrating in 29.82%, basosquamous in 8.18%, adenoid in 6.43%, superficial in 5.8%, morpheaform in 3.51%, cystic in 2.39% and micro-nodular in 0.58%. In the case of the SCC, the 57.14% of the patients had well differentiated tumors, 6.12% moderately differentiated, and poorly differentiated in 4.08%. Regarding melanoma the 80% of the tumors were superficial spreading, the 10% were lentigo maligna, and the 10% nodular
Conclusions: in our population the auricular skin cancer predominated in women (53.4%). The most common tumor was the BCC in 67.06%, followed by SCC in 25.2% and melanoma in 3.87%. The historical variant of bcc that predominated was nodular in 42.69%. Anatomical localization favored the preauricular area in 41.47% with left side predominance

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