Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report

Abstract Neuroendocrine neoplasms (NENs) are rare, malignant tumors characterized by variable incidence rates globally, with an overall trend of increasing frequency. The gastrointestinal tract and lungs are the most common primary sites for NENs. Between 11% and 22% of NENs present without an ident...

Full description

Saved in:
Bibliographic Details
Main Authors: Xinyun Qiang, Jieyu Lu, Mujie Ye, Ruitong Xu, Qiyun Tang
Format: Article
Language:English
Published: Springer 2025-07-01
Series:Discover Oncology
Subjects:
Online Access:https://doi.org/10.1007/s12672-025-03097-8
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849343487475974144
author Xinyun Qiang
Jieyu Lu
Mujie Ye
Ruitong Xu
Qiyun Tang
author_facet Xinyun Qiang
Jieyu Lu
Mujie Ye
Ruitong Xu
Qiyun Tang
author_sort Xinyun Qiang
collection DOAJ
description Abstract Neuroendocrine neoplasms (NENs) are rare, malignant tumors characterized by variable incidence rates globally, with an overall trend of increasing frequency. The gastrointestinal tract and lungs are the most common primary sites for NENs. Between 11% and 22% of NENs present without an identifiable primary site, with the liver being the most frequent site for metastases. However, metastasis to the inguinal lymph nodes remains uncommon. Tumor-associated kidney disease can occur in association with both solid tumors and hematologic malignancies. Membranous nephropathy is the most prevalent pathological type of tumor-associated kidney disease in patients with solid tumors, and its occurrence in patients with neuroendocrine carcinoma is extremely rare. This article discusses the case of a 72-year-old male patient with metastatic neuroendocrine carcinoma of unknown primary origin, presenting with inguinal metastasis and membranous nephropathy. It details the patient’s clinical presentation, diagnostic process, treatment plan, and prognosis, with the goal of increasing awareness and understanding of this rare condition and reviewing pertinent literature.
format Article
id doaj-art-e3d671d27bcb4fecaaad60d02497b9ba
institution Kabale University
issn 2730-6011
language English
publishDate 2025-07-01
publisher Springer
record_format Article
series Discover Oncology
spelling doaj-art-e3d671d27bcb4fecaaad60d02497b9ba2025-08-20T03:42:57ZengSpringerDiscover Oncology2730-60112025-07-011611910.1007/s12672-025-03097-8Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case reportXinyun Qiang0Jieyu Lu1Mujie Ye2Ruitong Xu3Qiyun Tang4Department of Neuroendocrine Tumor, The First Affiliated Hospital with Nanjing Medical UniversityDepartment of Neuroendocrine Tumor, The First Affiliated Hospital with Nanjing Medical UniversityDepartment of Neuroendocrine Tumor, The First Affiliated Hospital with Nanjing Medical UniversityDepartment of Neuroendocrine Tumor, The First Affiliated Hospital with Nanjing Medical UniversityDepartment of Neuroendocrine Tumor, The First Affiliated Hospital with Nanjing Medical UniversityAbstract Neuroendocrine neoplasms (NENs) are rare, malignant tumors characterized by variable incidence rates globally, with an overall trend of increasing frequency. The gastrointestinal tract and lungs are the most common primary sites for NENs. Between 11% and 22% of NENs present without an identifiable primary site, with the liver being the most frequent site for metastases. However, metastasis to the inguinal lymph nodes remains uncommon. Tumor-associated kidney disease can occur in association with both solid tumors and hematologic malignancies. Membranous nephropathy is the most prevalent pathological type of tumor-associated kidney disease in patients with solid tumors, and its occurrence in patients with neuroendocrine carcinoma is extremely rare. This article discusses the case of a 72-year-old male patient with metastatic neuroendocrine carcinoma of unknown primary origin, presenting with inguinal metastasis and membranous nephropathy. It details the patient’s clinical presentation, diagnostic process, treatment plan, and prognosis, with the goal of increasing awareness and understanding of this rare condition and reviewing pertinent literature.https://doi.org/10.1007/s12672-025-03097-8Neuroendocrine neoplasmsMembranous nephropathyUnknown primarytumorCase report
spellingShingle Xinyun Qiang
Jieyu Lu
Mujie Ye
Ruitong Xu
Qiyun Tang
Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
Discover Oncology
Neuroendocrine neoplasms
Membranous nephropathy
Unknown primarytumor
Case report
title Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
title_full Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
title_fullStr Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
title_full_unstemmed Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
title_short Metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy: a case report
title_sort metastatic neuroendocrine carcinoma in inguinal region complicated with membranous nephropathy a case report
topic Neuroendocrine neoplasms
Membranous nephropathy
Unknown primarytumor
Case report
url https://doi.org/10.1007/s12672-025-03097-8
work_keys_str_mv AT xinyunqiang metastaticneuroendocrinecarcinomaininguinalregioncomplicatedwithmembranousnephropathyacasereport
AT jieyulu metastaticneuroendocrinecarcinomaininguinalregioncomplicatedwithmembranousnephropathyacasereport
AT mujieye metastaticneuroendocrinecarcinomaininguinalregioncomplicatedwithmembranousnephropathyacasereport
AT ruitongxu metastaticneuroendocrinecarcinomaininguinalregioncomplicatedwithmembranousnephropathyacasereport
AT qiyuntang metastaticneuroendocrinecarcinomaininguinalregioncomplicatedwithmembranousnephropathyacasereport