MRI-negative Cushing’s Disease: Management Strategy and Outcomes in 15 Cases Utilizing a Pure Endoscopic Endonasal Approach

[21] Lüdecke DK(2014)Nasally located ectopic ACTH-secreting pituitary adenoma (EAPA) causing Nelson’s syndrome: diagnostic challenges Pituitary 17 423-2923

[22] Flitsch J(1999)Extrapituitary parasellar microadenoma in Cushing’s disease J Clin Endocrinol Metabol 84 2912-636

[23] Knappe UJ(2017)Duration of post-operative hypocortisolism predicts sustained remission after pituitary surgery for Cushing’s disease Endocrine connections 6 625-7

[24] Saeger W(2007)Evaluation and management of Cushing syndrome in cases of negative sellar magnetic resonance imaging Neurosurg Focus 23 1-3388

[25] Bartynski WS(2007)Outcomes and management of patients with Cushing’s disease without pathological confirmation of tumor resection after transsphenoidal surgery J Clin Endocrinol Metab 92 3383-1236

[26] Lin L(2017)Efficacy of endoscopic endonasal transsphenoidal surgery for Cushing’s disease in 230 patients with positive and negative MRI Acta Neurochir 159 1227-4113

[27] Erickson D(2019)Why we should still treat by neurosurgery patients with Cushing disease and a normal or inconclusive pituitary MRI J Clin Endocrinol Metab 104 4101-18

[28] Erickson B(2008)Long-term results after microsurgery for Cushing disease: experience with 426 primary operations over 35 years J Neurosurg 108 9-248

[29] Watson R(2007)The usefulness of combined biochemical tests in the diagnosis of Cushing’s disease with negative pituitary magnetic resonance imaging Eur J Endocrinol 156 241-247

[30] Patton A(2013)Endoscopic transsphenoidal surgery for Cushing disease: techniques, outcomes, and predictors of remission Neurosurgery 72 240-876

[21] Lüdecke DK(2014)Nasally located ectopic ACTH-secreting pituitary adenoma (EAPA) causing Nelson’s syndrome: diagnostic challenges Pituitary 17 423-2923

[22] Flitsch J(1999)Extrapituitary parasellar microadenoma in Cushing’s disease J Clin Endocrinol Metabol 84 2912-636

[23] Knappe UJ(2017)Duration of post-operative hypocortisolism predicts sustained remission after pituitary surgery for Cushing’s disease Endocrine connections 6 625-7

[24] Saeger W(2007)Evaluation and management of Cushing syndrome in cases of negative sellar magnetic resonance imaging Neurosurg Focus 23 1-3388

[25] Bartynski WS(2007)Outcomes and management of patients with Cushing’s disease without pathological confirmation of tumor resection after transsphenoidal surgery J Clin Endocrinol Metab 92 3383-1236

[26] Lin L(2017)Efficacy of endoscopic endonasal transsphenoidal surgery for Cushing’s disease in 230 patients with positive and negative MRI Acta Neurochir 159 1227-4113

[27] Erickson D(2019)Why we should still treat by neurosurgery patients with Cushing disease and a normal or inconclusive pituitary MRI J Clin Endocrinol Metab 104 4101-18

[28] Erickson B(2008)Long-term results after microsurgery for Cushing disease: experience with 426 primary operations over 35 years J Neurosurg 108 9-248

[29] Watson R(2007)The usefulness of combined biochemical tests in the diagnosis of Cushing’s disease with negative pituitary magnetic resonance imaging Eur J Endocrinol 156 241-247

[30] Patton A(2013)Endoscopic transsphenoidal surgery for Cushing disease: techniques, outcomes, and predictors of remission Neurosurgery 72 240-876