Male median raphe cysts: serial retrospective analysis and histopathological classificationReport as inadecuate




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Diagnostic Pathology

, 7:121

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Abstract

BackgroundTo review the clinical and pathological characteristics of median raphe cysts and to classify the lesions according to pathogenesis and histopathological findings.

MethodsThe medical records of patients who were diagnosed with median raphe cysts between 2001 and 2010 were reviewed to document the clinical presentation and pathological findings of the cysts.

ResultsMost patients were asymptomatic; however, 9 patients had inflammatory or infectious cysts that were tender or painful. Four patients who had cysts on the parameatus and distal prepuce had difficulty voiding. Hematuria and hematospermia were noted in 2 cases. Thirty-one cysts were lined with an urothelium-like epithelium, and a squamous epithelium lining was found in 3 cases. In 2 cases, a well-formed mucinous glandular structure was observed. The other 20 cysts consisted of mixed epithelia. After excision of the cysts under local or general anesthesia, an urethral fistula developed as a complication in only 1 case.

ConclusionsMedian raphe cysts are benign lesions formed due to tissue trapping during the development of urethral folds. The cysts can be defined into 4 types based on pathological findings: urethral, epidermoid, glandular, and mixed. The associated symptoms and signs should be taken into consideration when determining the treatment for the cysts.

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KeywordsMedian raphe cyst Paraurethral cyst Male genitalia cyst Penile cyst Genitoperineal cysts Pathological classification Electronic supplementary materialThe online version of this article doi:10.1186-1746-1596-7-121 contains supplementary material, which is available to authorized users.

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Author: I-Hung Shao - Tai-Di Chen - Hsiang-Te Shao - Hsiao-Wen Chen

Source: https://link.springer.com/







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