Latest Research
All publications from the Cancer3.AI database, newest first.
External validation of the PANOMEN-3 classification for predicting 1-year surgical remission in pituitary adenoma.
Baskurt O, et al
Researchers conducted an external validation of the PANOMEN-3 classification system, a clinical tool designed to predict whether patients with pituitary adenomas will achieve surgical remission within one year of tumor-removal surgery. Pituitary adenomas are non-cancerous tumors of the pituitary gland that can cause serious hormonal imbalances and neurological complications, with surgery representing a primary treatment approach. External validation—testing a predictive tool in an independent patient cohort from a different institution than the one used to develop it—is a critical step in confirming that a classification system is both reliable and generalizable. The study evaluated how accurately the PANOMEN-3 system identified patients likely to achieve remission across a new, real-world population, providing evidence on whether this scoring tool can be trusted beyond its original development setting. These findings are important for neurosurgeons and endocrinologists because a validated preoperative classification helps guide surgical planning, optimize patient counseling, and set realistic expectations for treatment outcomes.
Pituitary
Source →Pituitary apoplexy in a macroadenoma with cavernous sinus extension presenting with acute ophthalmoplegia.
Martin-Solis CA, et al
This case report describes a man in his 30s who presented to the emergency department with a sudden thunderclap retro-orbital headache, nausea, double vision, and right eyelid drooping — a constellation of symptoms ultimately diagnosed as pituitary apoplexy, a rare and life-threatening hemorrhage into a pituitary macroadenoma extending into the cavernous sinus. Clinicians employed a stepwise imaging protocol — CT scan first to exclude other emergencies, followed by MR angiography to rule out intracranial aneurysm, and finally dedicated sellar MRI — which confirmed intratumoral hemorrhage compressing the optic chiasm and implicating the right cavernous sinus. Immediate stress-dose corticosteroids were administered to cover potential adrenal insufficiency, and early endoscopic endonasal trans-sphenoidal surgery was performed to decompress the pituitary region. Remarkably, within 48 hours of surgery, the patient's headache resolved and his eye movement deficits began to improve, underscoring the benefit of prompt intervention. The case advocates for immediate multidisciplinary collaboration among endocrinology, neurosurgery, and neuro-ophthalmology, and for the use of structured clinical decision tools to guide individualized choices between surgical and conservative management in pituitary apoplexy.
BMJ case reports
Source →Isolated cerebellopontine angle neurosarcoidosis mimicking meningioma: a diagnostic pitfall. Illustrative case.
Karaman N, et al
This case report describes a rare and diagnostically challenging presentation of neurosarcoidosis — a non-cancerous inflammatory disease of the nervous system — occurring as an isolated mass in the cerebellopontine angle, a region near the brainstem where tumors such as meningiomas and vestibular schwannomas more commonly arise. A 25-year-old man presented with progressive double vision and hearing loss, and MRI imaging revealed a diffusely enhancing lesion that closely resembled a meningioma, making preoperative diagnosis extremely difficult. During surgery, intraoperative findings strongly suggested a non-tumorous inflammatory process, prompting surgeons to perform a conservative subtotal resection rather than aggressive removal; subsequent tissue analysis confirmed histiocyte-rich inflammation with multinucleated giant cells consistent with sarcoidosis. The patient was treated with high-dose corticosteroids and achieved a good clinical recovery, underscoring the effectiveness of medical therapy once the correct diagnosis is established. This case serves as an important reminder for neurosurgeons and neurologists to include neurosarcoidosis in the differential diagnosis of cerebellopontine angle masses, especially in young patients with atypical features, because misdiagnosis can lead to unnecessarily extensive surgery and delayed appropriate treatment.
Journal of neurosurgery. Case lessons
Source →Radiation-induced meningiomas, cerebral aneurysm, and multiple cavernomas 2 decades after radiotherapy for medulloblastoma: illustrative case.
Dayrit AA, et al
This publication presents the first documented case of a patient developing three distinct radiation-induced complications — multiple meningiomas, multiple cavernomas, and a cerebral aneurysm — more than two decades after receiving radiotherapy for medulloblastoma in childhood. The patient was treated for medulloblastoma at age four with surgery, craniospinal irradiation, and chemotherapy, and remained well until age 29, when cranial imaging revealed multiple meningiomas and cavernomas. He subsequently underwent two operations to remove enlarging meningiomas, and just two months after the second surgery, he suffered a subarachnoid hemorrhage from a ruptured superior cerebellar artery (SCA) aneurysm, which was successfully treated with microsurgical clipping. Notably, this is only the seventh reported case of a radiation-associated SCA aneurysm, the first linked to external beam radiotherapy, and the first to be managed with microsurgery. The case serves as a compelling reminder that childhood cancer survivors treated with radiation therapy require vigilant, long-term neurological follow-up, as severe and potentially fatal complications can emerge decades after the original treatment.
Journal of neurosurgery. Case lessons
Source →History and evolution of the far-lateral approach in neurosurgery.
Hasen MA, et al
A comprehensive review published in Acta Neurochirurgica traces the historical development and technical evolution of the far-lateral approach (FLA), a neurosurgical technique designed to access tumors and vascular lesions at the base of the skull and the craniovertebral junction. Originally developed for the treatment of vertebral artery aneurysms, the FLA has since expanded to address a broad spectrum of pathologies, including meningiomas, chordomas, schwannomas, and complex vascular malformations that are difficult to reach safely through traditional midline or transoral routes. Over decades, the technique was refined through innovations such as controlled occipital condyle drilling, vertebral artery transposition, C1 posterior arch resection, and endoscope-assisted visualization, all of which improved surgical access while minimizing brain retraction and protecting critical neurovascular structures. The approach has evolved into three main anatomical variants—transcondylar, supracondylar, and paracondylar—allowing surgeons to tailor the exposure based on the specific location and extent of each lesion. Compared with traditional approaches, the FLA offers superior access to ventrolateral lesions with low rates of postoperative instability and complications in experienced hands. Ongoing advances in neuronavigation, endoscopic augmentation, and patient-specific preoperative modeling continue to refine this technique, improving safety and outcomes for patients with complex skull base and spinal tumors.
Acta neurochirurgica
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