ArticleBeijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences2026
[Cystic lymphangioma of the penis in an adult: A case report].
Article in Beijing da xue xue bao. Yi xue ban = Journal of Peking University. Health sciences, 2026. 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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Abstract
Lymphangioma is a congenital vascular malformation arising from aberrant lymphatic deve-lopment, with a reported incidence of approximately 1 in 4 000. The condition predominates in the pedia-tric population, with the head and neck representing the most frequently affected anatomical regions. By contrast, scrotal lymphangioma in adults is exceedingly rare and remains highly susceptible to misdiagnosis or diagnostic omission in clinical settings. Here, we report a case of cystic lymphangioma of the penis in a 42-year-old male who presented with a mass at the penile root persisting for over 30 years, with marked enlargement over the preceding six months. Physical examination revealed a cystic mass measuring approximately 7 cm×4 cm×5 cm on the left aspect of the penile root, with a positive transillumination sign. Bilateral testes, epididymides, and spermatic cords were unremarkable. Ultrasonography demonstrated an irregular cystic anechoic lesion at the penoscrotal junction with well-defined margins. Magnetic resonance imaging (MRI) revealed a multilocular cystic lesion at the scrotal root measuring approximately 5.6 cm×3.8 cm×6.3 cm. Both imaging modalities were consistent with cystic lymphangioma. The patient underwent complete surgical resection under epidural anesthesia. Intraoperatively, the mass was confirmed to be multilocular and contained taupe-colored fluid. Histopathological analysis revealed endothelial cell lining of the cyst wall, and immunohistochemical staining was positive for CD31, establishing the definitive diagnosis of cystic lymphangioma. Genomic profiling identified a somatic heterozygous missense mutation in the
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42493458PMC13402078What Socratic holds
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