Published on: 5/6/2025
A hard lump under the belly button in males may be caused by an umbilical hernia, a benign skin lesion such as a lipoma or epidermal inclusion cyst, or other less common umbilical abnormalities.
There are several potential causes for a hard lump beneath the belly button in males:
Because a hard lump under the belly button could represent a range of conditions—from a simple hernia to other rare umbilical abnormalities—it’s important to have any new or changing lump evaluated by a healthcare provider. They may perform a physical examination and, if necessary, additional imaging or a biopsy to determine the exact nature of the lump and guide appropriate management.
(References)
Das A. Umbilical Lesions: A Cluster of Known Unknowns and Unknown Unknowns. Cureus. 2019 Aug 2;11(8):e5309. doi: 10.7759/cureus.5309. PMID: 31592364; PMCID: PMC6773451.
Rossari S, Grazzini M, Savarese I, Longo AS, Oranges T, Gori A, Massi D, de Giorgi LG. A particularly bothersome umbilical nodule. Indian J Dermatol. 2013 Jul;58(4):330. doi: 10.4103/0019-5154.114004. PMID: 23919044; PMCID: PMC3726921.
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