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Multicompartmental Primary Spinal Extramedullary Tumors: Value of an Interdisciplinary Approach.

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Multicompartmental Primary Spinal Extramedullary Tumors: Value of an Interdisciplinary Approach.

Asian J Neurosurg. 2017 Oct-Dec;12(4):674-680

Authors: Bettaswamy G, Ambesh P, Kumar R, Sahu RN, Das KK, Jaiswal AK, Srivastava AK, Behari S

Background: Primary extramedullary tumors involving multiple compartments around the spine are a technically demanding group of tumors whose extent traverses beyond the normal confines of those anatomical regions which fall in the common domain of neurosurgeons. In the following series, we present 12 patients who were diagnosed with primary spinal extramedullary tumors with multicompartmental extension, and whose surgical management was facilitated by a combined multidisciplinary approach involving surgeons of other superspecialties. This multidisciplinary assistance from the inception to the culmination of surgical management helped in achieving a better surgical removal, thereby resulting in better surgical outcomes.
Materials and Methods: Twelve consecutive patients who fulfilled the inclusion criteria in the 5-year period (January 2010 to January 2015) were included in the series based on the radiological and pathological characteristics of the tumor. Depending on the site of the spine involved by the lesion, radiologists and surgeons were involved from the planning phase of the surgical management, and their assistance in procedures such as preoperative embolization/ureteric stenting was sought whenever was deemed necessary. The extent of resection and total blood loss was recorded meticulously. Regular follow-up (3, 6, and 12 months and 2 and 5 years) of the patients was done after the initial follow-up at 6 weeks and their disability scores were recorded.
Results: Of the 12 cases (6 males and 6 females), sacrum was the most common location of the tumors (6). Histopathologically, giant-cell tumors, schwannomas, and chondrosarcomas (3 each) were most common followed by Ewing’s sarcoma (2) and malignant peripheral nerve sheath tumor (1). Eight patients had functional status of McCormick scale 1 and two patients had a functional status of 2. One patient was lost to follow-up and one patient died during surgery.
Conclusion: Judicious involvement of access surgeons and adjunct therapies along with careful preoperative planning can help in improving surgical outcome in multicompartmental spinal tumors.

PMID: 29114282 [PubMed]

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