The giant neurofibroma of penis in a child: a case report and literature review / 中华实用儿科临床杂志

ABSTRACT

Objective To investigate the clinical and pathological characteristics,diagnosis,differential diagnosis,treatment and prognosis of giant neurofibroma of penis in the child.Methods The clinical data including general data,imaging data,treatment methods,pathological characteristics of a case with giant neurofibroma of penis in a child were analyzed retrospectively and the relevant literature was reviewed.Results Gross appearance of the penile shaft neurofibroma was about 9 cm × 11 cm × 15 cm,with local ulceration.Computerized tomography scan revealed a giant mass in the penile shaft,about 9.0 cm × 10.0 cm × 13.4 cm.Partial excision of the penis was performed.Postoperative appearance of the residual penile shaft was about 2 cm long.The HE staining showed spindle cells with the red dye cytoplasm,spindle or elliptic nuclei and arranged in wavy partly.Positive immunostaining was presented with S-100 protein and Vimentin.The pathologic examination revealed a neurofibroma.There was no evidence of recurrence and the penis of the boy had normal sensation and erection by follow-up in 2 years.Conclusions Neurofibroma of penis in the child is extremely rare and the differential diagnosis of soft-tissue tumors of penis should be considered.The operative method should be individualized,the treatment goal is the complete resection;however,this goal must be weighed against detriment to functioning and the cosmetics of the involved organ.