Challenges in diagnosis of disease reported 100 years back: Cushing syndrome; recent advances

Muhammad Azeemuddin, Shahmeer Khan, Ayesha Shoukat Hussain, Asma Ahmed, Raza Sayani, Shaheer Khan
JPMA. the Journal of the Pakistan Medical Association 2019, 69 (6): 899-901
Treatment of Cushing syndrome depends on diagnosis of etiology responsible for hypercortisolism in the body, which sometimes presents with a challenge. Inferior petrosal sinus sampling for ACTH levels, followed by peripheral venous sampling is a proven tool to be a gold standard for differentiating between peripheral and central cause of ACTH dependent Cushing syndrome. This case report is of an elderly female who presented as an outpatient in the endocrinology clinic of Aga Khan university hospital on 22/6/2017 with clinical features of hypercortisolism. After workup she was found to have cushing syndrome secondary to ACTH secreting bronchial carcinoid tumour.

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