ArticleCureus2025
Umbilical Basal Cell Carcinoma With Mixed Nodular-Morpheaform Features and Stalk Invasion: A Case Report and Literature Review.
Article in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
5 authors.
Funding
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Abstract
Basal cell carcinoma (BCC) is a common cutaneous malignancy; however, its occurrence in the umbilicus is exceptionally rare, with only 22 cases reported to date, including the present case. We describe a 79-year-old man presenting with a 3.0 × 1.9 cm grayish-brown umbilical nodule with central ulceration. Histopathological examination revealed mixed nodular and morpheaform features, with tumor extension into the umbilical stalk. Given the anatomical complexity of the umbilical region, preoperative imaging may be suboptimal for accurately assessing deep tumor extension due to interference from pre-existing scar tissue. Therefore, thorough histopathological evaluation, including intraoperative frozen section analysis, is essential to ensure complete excision and optimal surgical management.
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