Study of management strategies in ACTH secreting pituitary microadenoma of Cushing’s disease
Journal Title: International Archives of Integrated Medicine - Year 2019, Vol 6, Issue 3
Abstract
Background: Pituitary Microadenomas can be defined as small lesions less than 1 cm in the pituitary and detected as incidentalomas. Partial development or late development around puberty leads to maldevelopment of secondary sexual characteristics due to pituitary adenomas. Clinically this may manifest as secondary amenorrhoea and may lead to hyperprolactinaemia, galactorrhoea and Amenorrhoea. ACTH secreting micro adenomas of the Pituitary Gland is a clinical entity where the role of surgery is contemplated. This study attempted to explore the management options and strategies for pituitary microadenomas. The aim of the study: To highlight the characteristics of Cushing’s disease and discuss the management strategies including trans-sphenoidal surgery to treat ACTH secreting pituitary microadenomas. Materials and methods: This was a non-randomised prospective observational study involving all adrenal tumors from 2007-2017 in Madras Medical College, Chennai. Two adrenocortical adenomas with virilising features were ruled out and 8 ACTH secreting Cushing's disease with microadenomas were identified. 3 Patients with ACTH secreting microadenomas of Cushing's disease underwent surgery whereas 3 underwent medical treatment based on which this paper attempted to discuss management strategies for Cushings disease. Results: ACTH levels were measurable with an average of 136.71pg/ml (normal 7.2-63.3 pg/ml) Corticotrophin releasing hormone test was planned to evaluate an exaggerated response of serum cortisol consistent with pituitary disease. It was not carried out and inferior petrosal sampling also was not done. Biochemical evaluation confirmed pituitary dependent Cushing’s disease. MRI revealed a prominent circumscribed lesion suggestive of a Pituitary Micro Adenoma in All 6 Cases. Conclusion: Pituitary micro adenomas are operable and in Cushing’s disease offer an effective cure. The outcome is good with minimal complications, but surgeons must have a thorough knowledge of the surrounding anatomy and potential complications.
Authors and Affiliations
M. S. Senthil Kumar, Rajan Ganesan, A Nithyanandham, V Kannan, T. Suresh Babu, K Prabhakaran
Keywords
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