儿童丘脑脚肿瘤:用于确定安全手术规划的术前高级影像学检查:一项多中心经验

Thalamopeduncular Tumors in Pediatric Age: Advanced Preoperative Imaging to Define Safe Surgical Planning: A Multicentric Experience.

作者信息

D'Amico Alberto, Furlanis Giulia Melinda, Baro Valentina, Sartori Luca, Landi Andrea, d'Avella Domenico, Sala Francesco, Denaro Luca

机构信息

Academic Neurosurgery, Department of Neurosciences, University of Padova, 35122 Padova, Italy.

Section of Neurosurgery, Department of Neurological and Movement Sciences, University of Verona, 37100 Verona, Italy.

出版信息

J Clin Med. 2023 Aug 25;12(17):5521. doi: 10.3390/jcm12175521.

Abstract

: Thalamopeduncular tumors are challenging lesions arising at the junction between the thalamus and the cerebral peduncle. They represent 1-5% of pediatric brain tumors, are mainly pilocytic astrocytoma and occur within the first two decades of life. To date, the optimal treatment remains unclear. : We retrospectively reviewed pediatric patients who underwent surgery for thalamopeduncular tumors in the Academic Pediatric Neurosurgery Unit of Padova and Verona from 2005 to 2022. We collected information on age, sex, symptoms, preoperative and postoperative neuroradiological studies, histological specimens, surgical approaches, and follow-up. : We identified eight patients with a mean age of 9 years. All lesions were pilocytic astrocytoma. The main symptoms were spastic hemiparesis, cranial nerve palsy, headache, and ataxia. The corticospinal tract was studied in all patients using diffusion-tensor imaging brain MRI and in two patients using navigated transcranial magnetic stimulation. The transsylvian approach was the most frequently used. A gross total resection was achieved in two patients, a subtotal resection in five and a partial resection in one. In three patients, a second treatment was performed due to the regrowth of the tumor, performing an additional surgery in two cases and a second-look surgery followed by adjuvant therapy in one. After the surgery, four patients maintained stability in their postoperative neurological exam, two patients improved, and two worsened but in one of them, an improvement during recovery occurred. At the last follow-up available, three patients were disease-free, four had a stable tumor residual, and only one patient died from the progression of the disease. : Advanced preoperative tools allow one to define a safe surgical strategy. Due to the indolent behavior of thalamopeduncular tumors, surgery should be encouraged.

摘要

丘脑脚肿瘤是发生在丘脑与大脑脚交界处的具有挑战性的病变。它们占儿童脑肿瘤的1% - 5%,主要为毛细胞型星形细胞瘤,发生在生命的前二十年。迄今为止,最佳治疗方法仍不明确。

我们回顾性分析了2005年至2022年在帕多瓦和维罗纳的学术儿科神经外科接受丘脑脚肿瘤手术的儿科患者。我们收集了年龄、性别、症状、术前和术后神经放射学研究、组织学标本、手术入路和随访等信息。

我们确定了8例患者,平均年龄为9岁。所有病变均为毛细胞型星形细胞瘤。主要症状为痉挛性偏瘫、颅神经麻痹、头痛和共济失调。所有患者均使用磁共振成像脑弥散张量成像研究皮质脊髓束,2例患者使用导航经颅磁刺激研究。经外侧裂入路是最常用的。2例患者实现了全切除,5例次全切除,1例部分切除。3例患者因肿瘤复发接受了二次治疗,2例进行了额外手术,1例进行了二次探查手术,随后进行了辅助治疗。手术后,4例患者术后神经检查保持稳定,2例改善,2例恶化,但其中1例在恢复过程中有所改善。在最后一次随访时,3例患者无疾病,4例有稳定的肿瘤残留,只有1例患者死于疾病进展。

先进的术前工具可以确定安全的手术策略。由于丘脑脚肿瘤生长缓慢,应鼓励手术治疗。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5940/10488778/ce5d75e16a1c/jcm-12-05521-g001.jpg

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