Missed diagnosis and delayed treatment of acromegaly in a patient with severe diabetes: A case report

Experimental and Therapeutic Medicine
Kota NishihamaEsteban C Gabazza

Abstract

The early stages of acromegaly are characterized by slow and progressive acral overgrowth without major systemic complications. Failure to diagnose acromegaly at an early stage may have devastating consequences on patient care. The case in the present report was a 44-year-old Japanese man, referred to Kuwana City Medical Center due to severe hyperglycemia detected in a general checkup. The patient had no acromegaly-related complaints. Laboratory data revealed high blood levels of hemoglobin A1c and glucose. Careful physical examination revealed enlargement of extremities and soft tissues. Laboratory investigation indicated a high blood concentration of growth hormone, and magnetic resonance imaging disclosed an enhanced pituitary tumor. The diagnosis was pituitary tumor-associated acromegaly with severe diabetic complications. The pituitary tumor became large and unresectable following 10 years of misdiagnosis. The patient was treated with somatostatin receptor ligands (lanreotide and pasireotide), as well as bromocriptine in Mie University Hospital. The tumor size was reduced following treatment, though it was still unresectable at the time of this report. The case highlights the importance of hyperglycemia and abnormal manife...Continue Reading

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