Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog

Abstract Background Most extramedullary plasmacytomas (EMPs) aresolitary and located in the head and neck region. They may also occur in the visceral parts of the body. Objectives Here, we report a case of oral EMP followed by neoplastic plasma cell metastasis to both kidneys in a neutered male Pome...

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Main Authors: Kyung Ho Park, Tae‐Un Kim, Hyun‐Woo Park, Seoung‐Woo Lee, Su‐Min Baek, Daji Noh, Jae‐Hyuk Yim, Young‐Jin Lee, Yeon‐Gyeong Kim, Dong‐Ju Son, Sang‐Joon Park, Seong‐Kyoon Choi, Kija Lee, Larry Chong Park, Jin‐Kyu Park
Format: Article
Language:English
Published: Wiley 2023-05-01
Series:Veterinary Medicine and Science
Subjects:
Online Access:https://doi.org/10.1002/vms3.1086
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author Kyung Ho Park
Tae‐Un Kim
Hyun‐Woo Park
Seoung‐Woo Lee
Su‐Min Baek
Daji Noh
Jae‐Hyuk Yim
Young‐Jin Lee
Yeon‐Gyeong Kim
Dong‐Ju Son
Sang‐Joon Park
Seong‐Kyoon Choi
Kija Lee
Larry Chong Park
Jin‐Kyu Park
author_facet Kyung Ho Park
Tae‐Un Kim
Hyun‐Woo Park
Seoung‐Woo Lee
Su‐Min Baek
Daji Noh
Jae‐Hyuk Yim
Young‐Jin Lee
Yeon‐Gyeong Kim
Dong‐Ju Son
Sang‐Joon Park
Seong‐Kyoon Choi
Kija Lee
Larry Chong Park
Jin‐Kyu Park
author_sort Kyung Ho Park
collection DOAJ
description Abstract Background Most extramedullary plasmacytomas (EMPs) aresolitary and located in the head and neck region. They may also occur in the visceral parts of the body. Objectives Here, we report a case of oral EMP followed by neoplastic plasma cell metastasis to both kidneys in a neutered male Pomeranian. Methods Oral plasmacytoma recurred 11 months aftersurgical removal of an oral mass and partial maxillectomy was performed. Eighteen months after partial maxillectomy, neoplastic masses were detected in both kidneys on computed tomography. The dog died 12 months after detection of bilateral kidney neoplasms. The resected neoplastic masses were routinely processed for histopathological observation and immunohistochemistry against pan‐cytokeratin, desmin, CD3, and MUM‐1. Results The recurred mass mainly consisted of well‐differentiated plasma cells and contained a small portion of aggressive cells with malignant features. Monoclonal gammopathy was not observed on serumelectrophoresis performed to exclude multiple myeloma. The mass was composed of plasma cells with high nuclear pleomorphism and abundant mitotic figures. The neoplasm stained positive for MUM‐1 with a more aggressive morphology than in oral EMP. Conclusion Based on serum biomarker and pathological observations, a diagnosis of recurrence and metastasis of oral‐to‐renal EMP was established. To the best of our knowledge, metastasis of oral EMP into the bilateral kidneys, as described in the current case, has not been previously reported in dogs.
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spelling doaj.art-003485cb8acc4e7ebb44eeefb021e2202023-05-16T19:51:19ZengWileyVeterinary Medicine and Science2053-10952023-05-01931053106110.1002/vms3.1086Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dogKyung Ho Park0Tae‐Un Kim1Hyun‐Woo Park2Seoung‐Woo Lee3Su‐Min Baek4Daji Noh5Jae‐Hyuk Yim6Young‐Jin Lee7Yeon‐Gyeong Kim8Dong‐Ju Son9Sang‐Joon Park10Seong‐Kyoon Choi11Kija Lee12Larry Chong Park13Jin‐Kyu Park14Department of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaNaason Science, Inc. CheongjuRepublic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of Korea24 Africa Animal Medical Center Daejeon Republic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaNaason Science, Inc. CheongjuRepublic of KoreaDepartment of Veterinary Internal Medicine College of Veterinary Medicine, Kyungpook National University Daegu Republic of KoreaLaboratory of Veterinary Histology, College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaCore Protein Resources Center (CPRC) Division of Biotechnology, DGIST Daegu Republic of KoreaDepartment of Veterinary Medical Imaging, College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaNaason Science, Inc. CheongjuRepublic of KoreaDepartment of Veterinary Pathology College of Veterinary Medicine Kyungpook National University Daegu Republic of KoreaAbstract Background Most extramedullary plasmacytomas (EMPs) aresolitary and located in the head and neck region. They may also occur in the visceral parts of the body. Objectives Here, we report a case of oral EMP followed by neoplastic plasma cell metastasis to both kidneys in a neutered male Pomeranian. Methods Oral plasmacytoma recurred 11 months aftersurgical removal of an oral mass and partial maxillectomy was performed. Eighteen months after partial maxillectomy, neoplastic masses were detected in both kidneys on computed tomography. The dog died 12 months after detection of bilateral kidney neoplasms. The resected neoplastic masses were routinely processed for histopathological observation and immunohistochemistry against pan‐cytokeratin, desmin, CD3, and MUM‐1. Results The recurred mass mainly consisted of well‐differentiated plasma cells and contained a small portion of aggressive cells with malignant features. Monoclonal gammopathy was not observed on serumelectrophoresis performed to exclude multiple myeloma. The mass was composed of plasma cells with high nuclear pleomorphism and abundant mitotic figures. The neoplasm stained positive for MUM‐1 with a more aggressive morphology than in oral EMP. Conclusion Based on serum biomarker and pathological observations, a diagnosis of recurrence and metastasis of oral‐to‐renal EMP was established. To the best of our knowledge, metastasis of oral EMP into the bilateral kidneys, as described in the current case, has not been previously reported in dogs.https://doi.org/10.1002/vms3.1086dogextramedullary plasmacytomakidneymetastasisrecurrence
spellingShingle Kyung Ho Park
Tae‐Un Kim
Hyun‐Woo Park
Seoung‐Woo Lee
Su‐Min Baek
Daji Noh
Jae‐Hyuk Yim
Young‐Jin Lee
Yeon‐Gyeong Kim
Dong‐Ju Son
Sang‐Joon Park
Seong‐Kyoon Choi
Kija Lee
Larry Chong Park
Jin‐Kyu Park
Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
Veterinary Medicine and Science
dog
extramedullary plasmacytoma
kidney
metastasis
recurrence
title Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
title_full Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
title_fullStr Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
title_full_unstemmed Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
title_short Extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
title_sort extramedullary plasmacytoma of the oral cavity metastasising to both kidneys in a dog
topic dog
extramedullary plasmacytoma
kidney
metastasis
recurrence
url https://doi.org/10.1002/vms3.1086
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