Occurrence of a pulmonary carcinoid following allogeneic stem cell transplantation for chronic myelogenous leukemia: a case report
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Abstract
Carcinoid tumors are relatively rare neuroendocrine malignancies with an indolent clinical behavior. The majority of cases arise within the gastrointestinal tract, but they may also be encountered in other organs such as the bronchial system. While occurrence of carcinoid tumors has been reported in association with the multiple endocrine neoplasia (MEN) type I syndrome, no clear-cut risk factors have been established for the development of these malignancies. We report the case of a 50-year-old woman who was diagnosed with a pulmonary carcinoid in 2001 after having undergone allogeneic stem cell transplantation for chronic myeloid leukemia (CML) in 1997. This is the first case report of a carcinoid tumor following allogeneic bone marrow transplantation. At the moment, however, an association with CML as well as a causative role of transplantation and intake of immunosuppressants remains speculative. Apart from highlighting the occurrence of a carcinoid in this setting, our case again underscores the importance of nuclear medicine methods, i.e., somatostatin receptor scintigraphy, in staging and follow-up of patients with carcinoid tumors.
Keywords
Carcinoid Bone marrow transplantation Somatostatin receptor scintigraphyReferences
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