ArticleMedicine2019
Differentiation of postoperative changes and residual tumors in dynamic contrast-enhanced sella MRI after transsphenoidal resection of pituitary adenoma.
Article in Medicine, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Postoperative Pituitary MRI Findings in Acromegaly: A Pictorial Review.Diagnostics (Basel, Switzerland) · 2026Review
- Evaluating optic system compression in sellar tumors: A novel application of quantitative pupillometry.Acta neurochirurgica · 2024Article
- Utility of F18-FDG PET/CT in the Evaluation of Pituitary Uptake.World journal of nuclear medicine · 2024Article
- Patients at Greatest Risk of Missing Initial 1-Year Follow-Up After Pituitary Adenoma Resection.World neurosurgery · 2024Article
- Imaging of pituitary tumors: an update with the 5th WHO Classifications-part 1. Pituitary neuroendocrine tumor (PitNET)/pituitary adenoma.Japanese journal of radiology · 2023Review
- Neoplasms and tumor-like lesions of the sellar region: imaging findings with correlation to pathology and 2021 WHO classification.Neuroradiology · 2023Review
- Updates in postoperative imaging modalities following musculoskeletal surgery.Journal of clinical orthopaedics and trauma · 2021Review
- Second window ICG predicts gross-total resection and progression-free survival during brain metastasis surgery.Journal of neurosurgery · 2021Article
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Authors and funding
10 authors.
Funding
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Abstract
To establish magnetic resonance imaging (MRI) features that differentiate residual tumors from postoperative surgical changes following the transsphenoidal approach of a pituitary adenoma.We analyzed residual enhancements at the tumor bed in 52 patients who underwent dynamic contrast-enhanced sella MRI within 48 hours after surgery and at 6 to 28 months. Patients were divided into 2 groups defined by either peripheral or nodular enhancement patterns. For each group, we measured the maximum thickness of the residual enhancing portion and compared differences in the residual tumor and postoperative changes.Among the tumors examined in the 52 patients, 19 residual tumors showed nodular (n = 16) and peripheral (n = 3) enhancement patterns, and 33 postoperative changes showed nodular (n = 3) and peripheral (n = 30) enhancement patterns. The mean residual tumor thickness was 7.1 mm (range, 2.9-16.8 mm) and 1.9 mm (range, 1.0-7.4 mm) in the postoperative change. Receiver operating characteristic curve analysis revealed that a 3.9-mm thickness was associated with 89% sensitivity, 97% specificity, and 94% accuracy for diagnosis of residual tumor.On immediate postoperative MRI, residual enhancement with greater than 3.9-mm thickness and nodular pattern suggest residual pituitary adenoma tumor.
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