An ectopic, ACTH producing, oncocytic carcinoid tumor of the thymus: report of a case. 1984

I Yamaji, and O Iimura, and T Mito, and S Yoshida, and K Shimamoto, and T Minase

A 39-year-old man with an ACTH producing oncocytic carcinoid of the thymus is reported here. His symptoms were pigmentation, facial and pretibial edema, and high blood pressure. Endocrinological examination revealed the ectopic ACTH syndrome and, especially, high content in the intrathoracic venous blood. On histological examination, the tumor was found to be composed of uniform eosinophilic cells, with no argentaffin granules being demonstrated. Ultrastructural findings revealed a large number of mitochondria and numerous distinct electron-dense neurosecretory granules in the cytoplasm. Abnormally high levels of ACTH, beta-endorphin and gamma-MSH were also found in this tumor tissue. By total extirpation of the tumor, clinical symptoms and laboratory data were entirely normalized.

UI MeSH Term Description Entries
D008297 Male Males
D009384 Paraneoplastic Endocrine Syndromes Syndromes resulting from inappropriate production of HORMONES or hormone-like materials by NEOPLASMS in non-endocrine tissues or not by the usual ENDOCRINE GLANDS. Such hormone outputs are called ectopic hormone (HORMONES, ECTOPIC) secretion. Ectopic Hormone Syndromes,Ectopic Hormone Syndrome,Endocrine Syndrome, Paraneoplastic,Paraneoplastic Endocrine Syndrome,Syndrome, Ectopic Hormone,Syndrome, Paraneoplastic Endocrine,Syndromes, Ectopic Hormone,Syndromes, Paraneoplastic Endocrine
D002276 Carcinoid Tumor A usually small, slow-growing neoplasm composed of islands of rounded, oxyphilic, or spindle-shaped cells of medium size, with moderately small vesicular nuclei, and covered by intact mucosa with a yellow cut surface. The tumor can occur anywhere in the gastrointestinal tract (and in the lungs and other sites); approximately 90% arise in the appendix. It is now established that these tumors are of neuroendocrine origin and derive from a primitive stem cell. (From Stedman, 25th ed & Holland et al., Cancer Medicine, 3d ed, p1182) Argentaffinoma,Carcinoid,Carcinoid, Goblet Cell,Argentaffinomas,Carcinoid Tumors,Carcinoids,Carcinoids, Goblet Cell,Goblet Cell Carcinoid,Goblet Cell Carcinoids,Tumor, Carcinoid,Tumors, Carcinoid
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000182 ACTH Syndrome, Ectopic Symptom complex due to ACTH production by non-pituitary neoplasms. Ectopic ACTH Syndrome,ACTH Syndromes, Ectopic,Ectopic ACTH Syndromes,Syndrome, Ectopic ACTH,Syndromes, Ectopic ACTH
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013953 Thymus Neoplasms Tumors or cancer of the THYMUS GLAND. Cancer of Thymus,Thymus Cancer,Thymus Tumors,Cancer of the Thymus,Neoplasms, Thymic,Neoplasms, Thymus,Thymic Cancer,Thymic Neoplasms,Thymic Tumors,Cancer, Thymic,Cancer, Thymus,Cancers, Thymic,Cancers, Thymus,Neoplasm, Thymic,Neoplasm, Thymus,Thymic Cancers,Thymic Neoplasm,Thymic Tumor,Thymus Cancers,Thymus Neoplasm,Thymus Tumor,Tumor, Thymic,Tumor, Thymus,Tumors, Thymic,Tumors, Thymus

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