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This is a prospective, randomized clinical trial conducted at the Unviersity of Wisconsin (UW) Dermatology Clinic located at 1 S. Park Street, Madison, WI 53715. There are no controls. Subjects meeting eligibility criteria are randomly divided into one of two treatment groups (ED&C x 1 cycle or ED&C x 3 cycles) using computer generated random numbers. One cycle of ED&C is defined according to standard technique currently employed. It involves scraping away the tumor with a curette (ring- shaped instrument) and then burning the curetted site with a small electric needle (electrodessication). During Visit 1, the surgical site is marked, local numbing medication is injected, and 1 or 3 cycles of ED&C is/are performed by board-certified dermatologists or a dermatology resident under the direct supervision of a board certified dermatologist. All follow-up visits (3, 6, 9, and 12 months after Visit 1) include skin evaluations by the physician who performed the ED&C. The lesion site is examined, measured, and photographed for clinical evidence of recurrence, as defined by a new lesion within the previously treated site. If there is evidence of possible tumor recurrence at the treated surgical site during Visit 2, 3, 4 or 5, then the lesion will be biopsied using a shave procedure.
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Superficial Basal Cell Carcinoma
Electrodessication & Curettage
University of Wisconsin-Madison, Department of Dermatology
University of Wisconsin, Madison
Published on BioPortfolio: 2014-08-27T03:18:41-0400
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A carcinoma arising from MERKEL CELLS located in the basal layer of the epidermis and occurring most commonly as a primary neuroendocrine carcinoma of the skin. Merkel cells are tactile cells of neuroectodermal origin and histologically show neurosecretory granules. The skin of the head and neck are a common site of Merkel cell carcinoma, occurring generally in elderly patients. (Holland et al., Cancer Medicine, 3d ed, p1245)
A patched receptor that may function redundantly with the PATCHED-1 RECEPTOR to modulate hedgehog signaling. It may also play a role in epidermal development and as a TUMOR SUPPRESSOR PROTEIN. Mutations in the patched-2 gene are associated with BASAL CELL NEVUS SYNDROME; CARCINOMA, BASAL CELL; and MEDULLOBLASTOMA.
A skin carcinoma that histologically exhibits both basal and squamous elements. (From Dorland, 27th ed)
A heterogeneous aggregate of at least three distinct histological types of lung cancer, including SQUAMOUS CELL CARCINOMA; ADENOCARCINOMA; and LARGE CELL CARCINOMA. They are dealt with collectively because of their shared treatment strategy.
A heterogeneous group of sporadic or hereditary carcinoma derived from cells of the KIDNEYS. There are several subtypes including the clear cells, the papillary, the chromophobe, the collecting duct, the spindle cells (sarcomatoid), or mixed cell-type carcinoma.
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