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Aberrant mammary tissue and nephrourinary malignancy
1Service of Dermatology, San Raffaele Resnati, Milan, Italy.
Cancer Genetics and Cytogenetics
|March 1, 1996
Summary
Supernumerary nipples (polythelia) can indicate kidney malformations and urogenital cancers. This case highlights a rare association between polythelia, polycystic kidney disease, and ipsilateral renal adenocarcinoma.
Area of Science:
- Urology
- Dermatology
- Oncology
Background:
- Polythelia (supernumerary nipple) is linked to congenital kidney malformations and urogenital malignancies.
- It serves as a cutaneous paraneoplastic marker, indicating potential underlying cancers.
Observation:
- A 38-year-old man presented with a sporadic left supernumerary nipple.
- He had no other congenital anomalies but was screened for renal anomalies.
- Routine examination revealed left polycystic kidney disease with upper pole adenocarcinoma.
Findings:
- The study observed a rare ipsilateral association between polythelia, polycystic kidney disease, and renal adenocarcinoma.
- This specific presentation suggests a potential shared embryonal origin for these conditions.
Implications:
- This case underscores the importance of investigating renal anomalies in patients with polythelia.
- The findings may offer new insights into the embryogenesis of renal adenocarcinoma.
- Further research into the polythelia-renal malignancy link could improve early detection strategies.