The treatment dilemma caused by lumps in surfers' chins.

"This is an account of 2 male surfing enthusiasts who recently sought care at our hospital after developing tumorous masses on their chins. Although the lesions appeared grossly benign, establishing a definitive treatment plan was perplexing because of the insidious nature of the protuberances... While the technical aspects of care management were simple, once the histologic structure of the tumor was defined, establishing an accurate clinical diagnosis before surgery was troublesome. The histologic findings for the lesion removed from the first patient... [suggested] that repetitive blunt trauma to the chin area while paddling the surfboard was probably the factor responsible for the pathogenesis of tumor formation. "

And just because...