Abstract
BackgroundCarney’s triad is a rare syndrome comprising gastrointestinal stromal tumor, extra-adrenal paraganglioma, and pulmonary chondroma along with newer additions of adrenal adenoma and esophageal leiomyoma. The triad is completely manifest in only 25–30% cases, with most patients presenting with two out of three parts of the syndrome. Wild-type succinate-dehydrogenase-deficient gastric gastrointestinal stromal tumor forms the most common component of Carney’s triad and is usually multicentric and multifocal. It usually demonstrates indolent behavior and resistance to imatinib; hence, the management remains predominantly surgical. Pulmonary chondromas are commonly unilateral and multiple with slow-growing nature, which allows for conservative management. Adrenocortical adenomas are found in 20% of patients and are usually detected as incidentalomas.Case presentationA 49-year-old Asian male presented with upper gastrointestinal bleed and was diagnosed with multiple gastric succinate-dehydrogenase-deficient gastrointestinal stromal tumors. On evaluation, he was found to have left pulmonary chondroma and non-secretory adrenal adenoma, thus completing the Carney’s triad. He underwent surgery with sleeve gastrectomy and excision of the antral tumor nodule, while the adrenal and pulmonary tumors have been under close follow-up.ConclusionLiterature regarding Carney’s triad is scarce, especially from the Indian setting. Our report aims to highlight the various manifestations of this syndrome with emphasis on management of wild-type succinate-dehydrogenase-deficient gastrointestinal stromal tumor. Radical gastric surgeries do not offer a survival advantage in this condition; hence, more conservative modalities of resection can be adopted.
Highlights
Carney’s triad was first described in 1977 and was defined as an association of three tumors: gastric epithelioid leiomyosarcoma [later recognized as gastrointestinal stromal tumor (GIST)], extra-adrenal paraganglioma, and pulmonary chondroma [1]
Our report aims to highlight the various manifestations of this syndrome with emphasis on management of wild-type succinate-dehydrogenase-deficient gastrointestinal stromal tumor
Two other tumors were added to this syndrome: adrenal adenoma and esophageal leiomyoma [2]
Summary
This is a rare case of gastric GIST that highlights the various manifestations of Carney’s triad and underscores the importance of SDH examination in wild-type GIST. It is important to include routine mutation testing in cases of GIST, and this practice must be brought to the fore in the Indian setting as well. Better awareness and larger-scale studies will help create more knowledge about such rare syndromes and aid in diagnosis and patient management
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