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Case report
Intrascrotal lipoblastoma in adulthood
  1. Mário José Pereira-Lourenço1,2,
  2. Duarte Vieira-Brito1,2,
  3. João Pedro Peralta2 and
  4. Noémia Castelo-Branco3
  1. 1 Urology and Kidney Transplantation, Centro Hospitalar e Universitário de Coimbra EPE, Coimbra, Portugal
  2. 2 Urology, Instituto Português de Oncologia de Coimbra Francisco Gentil EPE, Coimbra, Portugal
  3. 3 Pathology, Instituto Português de Oncologia de Coimbra Francisco Gentil EPE, Coimbra, Portugal
  1. Correspondence to Dr Mário José Pereira-Lourenço; mariolourenco88{at}


This case report describes the case of a 37-year-old man that noticed an intrascrotal right mass with 1 month of evolution. During physical exam presented with a large mass at the inferior portion of the right testicle, clearly separated from the testicle, with a tender consistency and mobile. An ultrasound was performed that showed a solid and subcutaneous nodular lesion, extra testicular, heterogeneous, measuring 7.2 cm. Pelvic magnetic resonance imageMRI showed a lesion compatible with a lipoma. The patient was subjected to surgical excision of the lesion by scrotal access, having histology revealed a lipoblastoma (LB) of the scrotum. Histological diagnosis was obtained by microscopic characteristics (well-circumscribed fatty neoplasm) and immunohistochemistry (stains for CD34, S100 protein and PLAG1 were positive; stains for MDM2 and CDK4 were negative). LB is extremely rare after adolescence in any location, being this first described case of intrascrotal LB described in adulthood.

  • urological cancer
  • pathology
  • paediatric oncology
  • cancer intervention
  • urological surgery

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  • Contributors MJP-L had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Concept and design: MJP-L and DV-B. Acquisition of data: MJP-L, JPP, NCB. Analysis and interpretation of data: MJP-L, DV-B, NCB. Drafting of the manuscript: MJP-L, DV-B. Critical revision of the manuscript for important intellectual content: MJP-L, JPP, NC-B.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.