Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma

An 18-year-old, male, castrated, captive-born leopard (Panthera pardus) presented to Colorado State University’s Veterinary Teaching Hospital with a two-week history of regurgitation. Thoracic radiographs and ultrasound revealed a well-differentiated cranioventral mediastinal mass measuring 7.5 × 1...

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Main Authors: Ashley Malmlov, Terry Campbell, Eric Monnet, Craig Miller, Becca Miceli, Colleen Duncan
Format: Article
Language:English
Published: Wiley 2014-01-01
Series:Case Reports in Veterinary Medicine
Online Access:http://dx.doi.org/10.1155/2014/562934
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author Ashley Malmlov
Terry Campbell
Eric Monnet
Craig Miller
Becca Miceli
Colleen Duncan
author_facet Ashley Malmlov
Terry Campbell
Eric Monnet
Craig Miller
Becca Miceli
Colleen Duncan
author_sort Ashley Malmlov
collection DOAJ
description An 18-year-old, male, castrated, captive-born leopard (Panthera pardus) presented to Colorado State University’s Veterinary Teaching Hospital with a two-week history of regurgitation. Thoracic radiographs and ultrasound revealed a well-differentiated cranioventral mediastinal mass measuring 7.5 × 10 × 5.5 cm, impinging the esophagus. A sternotomy followed by mass excision was performed. The mass was diagnosed as an ectopic thyroid carcinoma. The leopard recovered from surgery with minimal complications and returned to near-normal activity levels for just under 6 months before rapidly declining. He had an acute onset of severe dyspnea and lethargy and was euthanized. On postmortem examination the tumor was found to involve the lung, liver, thyroid, parietal pleura, bronchial lymph nodes, and the internal intercostal muscles. This case report describes the history, diagnosis, surgical treatment, postoperative care, and recovery as well as the eventual decline, euthanasia, and necropsy of a leopard with thyroid carcinoma. When compared to thyroid carcinomas of domestic animals, the leopard’s disease process more closely resembles the disease process seen in domestic canines compared to domestic cats.
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series Case Reports in Veterinary Medicine
spelling doaj-art-20330a0c5609432a9e8e3a8bca70d62d2025-02-03T06:06:07ZengWileyCase Reports in Veterinary Medicine2090-70012090-701X2014-01-01201410.1155/2014/562934562934Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid CarcinomaAshley Malmlov0Terry Campbell1Eric Monnet2Craig Miller3Becca Miceli4Colleen Duncan5Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, 200 West Lake Street, 1644 Campus Delivery, Fort Collins, CO 80523, USAVeterinary Teaching Hospital, Colorado State University, Fort Collins, CO 80523, USAVeterinary Teaching Hospital, Colorado State University, Fort Collins, CO 80523, USADepartment of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, 200 West Lake Street, 1644 Campus Delivery, Fort Collins, CO 80523, USAThe Wild Animal Sanctuary, Keenesburg, CO 80643, USADepartment of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, 200 West Lake Street, 1644 Campus Delivery, Fort Collins, CO 80523, USAAn 18-year-old, male, castrated, captive-born leopard (Panthera pardus) presented to Colorado State University’s Veterinary Teaching Hospital with a two-week history of regurgitation. Thoracic radiographs and ultrasound revealed a well-differentiated cranioventral mediastinal mass measuring 7.5 × 10 × 5.5 cm, impinging the esophagus. A sternotomy followed by mass excision was performed. The mass was diagnosed as an ectopic thyroid carcinoma. The leopard recovered from surgery with minimal complications and returned to near-normal activity levels for just under 6 months before rapidly declining. He had an acute onset of severe dyspnea and lethargy and was euthanized. On postmortem examination the tumor was found to involve the lung, liver, thyroid, parietal pleura, bronchial lymph nodes, and the internal intercostal muscles. This case report describes the history, diagnosis, surgical treatment, postoperative care, and recovery as well as the eventual decline, euthanasia, and necropsy of a leopard with thyroid carcinoma. When compared to thyroid carcinomas of domestic animals, the leopard’s disease process more closely resembles the disease process seen in domestic canines compared to domestic cats.http://dx.doi.org/10.1155/2014/562934
spellingShingle Ashley Malmlov
Terry Campbell
Eric Monnet
Craig Miller
Becca Miceli
Colleen Duncan
Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
Case Reports in Veterinary Medicine
title Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
title_full Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
title_fullStr Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
title_full_unstemmed Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
title_short Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
title_sort diagnosis surgical treatment recovery and eventual necropsy of a leopard panthera pardus with thyroid carcinoma
url http://dx.doi.org/10.1155/2014/562934
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