Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series

Thymic tumours are rare thoracic malignancies with thymic carcinoma accounting for approximately 12% of all thymic tumours compared to thymomas which account for approximately 86%. Unlike thymomas, it is very rare for thymic carcinomas to be associated with autoimmune disorders or paraneoplastic syn...

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Main Authors: Amy E. Smith, Alisa Kane, Francesca Watts, Min Qiu, Venessa Chin
Format: Article
Language:English
Published: Karger Publishers 2023-02-01
Series:Case Reports in Oncology
Subjects:
Online Access:https://www.karger.com/Article/FullText/529425
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author Amy E. Smith
Alisa Kane
Francesca Watts
Min Qiu
Venessa Chin
author_facet Amy E. Smith
Alisa Kane
Francesca Watts
Min Qiu
Venessa Chin
author_sort Amy E. Smith
collection DOAJ
description Thymic tumours are rare thoracic malignancies with thymic carcinoma accounting for approximately 12% of all thymic tumours compared to thymomas which account for approximately 86%. Unlike thymomas, it is very rare for thymic carcinomas to be associated with autoimmune disorders or paraneoplastic syndromes. When these phenomena do occur, the vast majority are myasthenia gravis, pure red cell aplasia, or systemic lupus erythematous. Paraneoplastic Sjogren’s syndrome is a rare complication of thymic carcinoma, with only two cases previously reported. Here we present 2 cases of patients with metastatic thymic carcinoma who developed autoimmune phenomena consistent with Sjogren’s syndrome without classical symptoms prior to treatment. One patient opted for surveillance of their malignancy, while the other underwent chemoimmunotherapy with favourable results. These case reports describe two distinctive clinical presentations of a rare paraneoplastic phenomenon.
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spelling doaj.art-2526f8df0060473dbb11f8179c9a5ed32023-03-23T06:54:58ZengKarger PublishersCase Reports in Oncology1662-65752023-02-0116111612310.1159/000529425529425Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case SeriesAmy E. Smith0https://orcid.org/0000-0002-0364-0703Alisa Kane1Francesca Watts2Min Qiu3Venessa Chin4https://orcid.org/0000-0002-4630-4451The Kinghorn Cancer Centre, St Vincent’s Hospital, Sydney, NSW, AustraliaDepartment of Immunology and HIV, St Vincent’s Hospital, Sydney, NSW, AustraliaDepartment of Anatomical Pathology, St Vincent’s Hospital, Sydney, NSW, AustraliaSchool of Medicine, University of Notre Dame Australia, Sydney, NSW, AustraliaThe Kinghorn Cancer Centre, St Vincent’s Hospital, Sydney, NSW, AustraliaThymic tumours are rare thoracic malignancies with thymic carcinoma accounting for approximately 12% of all thymic tumours compared to thymomas which account for approximately 86%. Unlike thymomas, it is very rare for thymic carcinomas to be associated with autoimmune disorders or paraneoplastic syndromes. When these phenomena do occur, the vast majority are myasthenia gravis, pure red cell aplasia, or systemic lupus erythematous. Paraneoplastic Sjogren’s syndrome is a rare complication of thymic carcinoma, with only two cases previously reported. Here we present 2 cases of patients with metastatic thymic carcinoma who developed autoimmune phenomena consistent with Sjogren’s syndrome without classical symptoms prior to treatment. One patient opted for surveillance of their malignancy, while the other underwent chemoimmunotherapy with favourable results. These case reports describe two distinctive clinical presentations of a rare paraneoplastic phenomenon.https://www.karger.com/Article/FullText/529425thymic carcinomaparaneoplastic syndromesjogren’s syndromeimmunotherapyautoimmune disorder
spellingShingle Amy E. Smith
Alisa Kane
Francesca Watts
Min Qiu
Venessa Chin
Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
Case Reports in Oncology
thymic carcinoma
paraneoplastic syndrome
sjogren’s syndrome
immunotherapy
autoimmune disorder
title Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
title_full Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
title_fullStr Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
title_full_unstemmed Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
title_short Two Very Rare Cases of Metastatic Thymic Carcinoma with Sjogren’s Syndrome: A Case Series
title_sort two very rare cases of metastatic thymic carcinoma with sjogren s syndrome a case series
topic thymic carcinoma
paraneoplastic syndrome
sjogren’s syndrome
immunotherapy
autoimmune disorder
url https://www.karger.com/Article/FullText/529425
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