• Xin Zhang, Guo Yu, Zunguo Du, Vanessa Tran, Wei Zhu, and Wei Hua.
• Department of Neurosurgery, Huashan Hospital, Fudan University, Shanghai, China.
• World Neurosurg. 2020 May 1; 137: 281-285.

BackgroundPituitary abscesses within pre-existing pituitary conditions, such as craniopharyngioma, pituitary adenoma, or Rathke cleft cyst, are quite rare. A case of pituitary abscess secondary to adenoma is presented, and the literature is reviewed.Case DescriptionAn 11-year-old boy presented with a 3-day history of sudden-onset headache and visual loss. Magnetic resonance imaging demonstrated a sellar region lesion with intralesional hemorrhage. Preoperative diagnosis was pituitary adenoma with apoplexy. An endoscopic transnasal transsphenoidal approach was used for emergent total tumor resection. Pathology confirmed the diagnosis of pituitary adenoma with apoplexy and inflammation, and microbiologic examination was positive for Staphylococcus aureus.ConclusionsSecondary pituitary abscess is a rare entity, and preoperative diagnosis is challenging. The treatment strategy includes prompt surgical resection and drainage of the abscess, followed by prolonged antibiotic therapy.Copyright © 2020 Elsevier Inc. All rights reserved.

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