Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft

The incidence of renal cell carcinoma (RCC) in renal allograft in transplant recipients is 0.22–0.25%. De novo clear cell, papillary, and chromophobe RCCs and RCCs with sarcomatoid differentiation originating in renal allograft have been reported. Routine surveillance for graft tumours is not routin...

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Main Authors: Abdullah Alharbi, Maram S. Al Turki, Noura Aloudah, Khaled O. Alsaad
Format: Article
Language:English
Published: Wiley 2017-01-01
Series:Case Reports in Transplantation
Online Access:http://dx.doi.org/10.1155/2017/4232474
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author Abdullah Alharbi
Maram S. Al Turki
Noura Aloudah
Khaled O. Alsaad
author_facet Abdullah Alharbi
Maram S. Al Turki
Noura Aloudah
Khaled O. Alsaad
author_sort Abdullah Alharbi
collection DOAJ
description The incidence of renal cell carcinoma (RCC) in renal allograft in transplant recipients is 0.22–0.25%. De novo clear cell, papillary, and chromophobe RCCs and RCCs with sarcomatoid differentiation originating in renal allograft have been reported. Routine surveillance for graft tumours is not routinely practiced and these tumours are commonly asymptomatic and incidentally discovered. We describe a case of incidental, eosinophilic chromophobe RCC in a 31-year-old, long-term renal transplant male recipient, who presented with acute gastroenteritis 11 years after transplantation. The graft was nonfunctional at the time of presentation. Abdominal ultrasound and computed tomography scan demonstrated 1.8 cm well-defined, round enhancing lesion, confined to the renal allograft and suspicious for malignancy. Pathological examination of graft nephrectomy specimen showed gross, histopathological, and immunohistochemical features of eosinophilic chromophobe RCC. Fifty-five months after surgery, the patient was alive and free of malignancy. To the best of our knowledge, only five chromophobe RCCs originating in a renal allograft were previously described in English literature. We suggest that chromophobe RCC should be considered in the differential diagnosis of renal allograft mass, including eosinophilic tumours, and emphasise the importance of periodic screening of renal allograft in all renal transplant recipients.
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spelling doaj-art-1fe936a6dacb4ab595973d1d051d122e2025-02-03T06:44:28ZengWileyCase Reports in Transplantation2090-69432090-69512017-01-01201710.1155/2017/42324744232474Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal AllograftAbdullah Alharbi0Maram S. Al Turki1Noura Aloudah2Khaled O. Alsaad3Department of Pathology and Laboratory Medicine, King Abdulaziz Medical City, Riyadh, Saudi ArabiaCollege of Medicine, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi ArabiaDepartment of Pathology and Laboratory Medicine, King Abdulaziz Medical City, Riyadh, Saudi ArabiaDepartment of Pathology and Laboratory Medicine, King Abdulaziz Medical City, Riyadh, Saudi ArabiaThe incidence of renal cell carcinoma (RCC) in renal allograft in transplant recipients is 0.22–0.25%. De novo clear cell, papillary, and chromophobe RCCs and RCCs with sarcomatoid differentiation originating in renal allograft have been reported. Routine surveillance for graft tumours is not routinely practiced and these tumours are commonly asymptomatic and incidentally discovered. We describe a case of incidental, eosinophilic chromophobe RCC in a 31-year-old, long-term renal transplant male recipient, who presented with acute gastroenteritis 11 years after transplantation. The graft was nonfunctional at the time of presentation. Abdominal ultrasound and computed tomography scan demonstrated 1.8 cm well-defined, round enhancing lesion, confined to the renal allograft and suspicious for malignancy. Pathological examination of graft nephrectomy specimen showed gross, histopathological, and immunohistochemical features of eosinophilic chromophobe RCC. Fifty-five months after surgery, the patient was alive and free of malignancy. To the best of our knowledge, only five chromophobe RCCs originating in a renal allograft were previously described in English literature. We suggest that chromophobe RCC should be considered in the differential diagnosis of renal allograft mass, including eosinophilic tumours, and emphasise the importance of periodic screening of renal allograft in all renal transplant recipients.http://dx.doi.org/10.1155/2017/4232474
spellingShingle Abdullah Alharbi
Maram S. Al Turki
Noura Aloudah
Khaled O. Alsaad
Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
Case Reports in Transplantation
title Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
title_full Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
title_fullStr Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
title_full_unstemmed Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
title_short Incidental Eosinophilic Chromophobe Renal Cell Carcinoma in Renal Allograft
title_sort incidental eosinophilic chromophobe renal cell carcinoma in renal allograft
url http://dx.doi.org/10.1155/2017/4232474
work_keys_str_mv AT abdullahalharbi incidentaleosinophilicchromophoberenalcellcarcinomainrenalallograft
AT maramsalturki incidentaleosinophilicchromophoberenalcellcarcinomainrenalallograft
AT nouraaloudah incidentaleosinophilicchromophoberenalcellcarcinomainrenalallograft
AT khaledoalsaad incidentaleosinophilicchromophoberenalcellcarcinomainrenalallograft