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Egypt
A 26-year-old male asked:

What is this lump on the shaft of penis under the head in left side its appear when i get an erection its movable and like a worm and not painful ?

1 doctor answer1 doctor weighed in
Dr. Oscar Novick
Pediatrics 58 years experience
Lump: The lump may be caused by smegma, which is a collection of dead epithelial cells especially found in non circumcised males

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Last updated Jan 26, 2018

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