Melanotic Neuroectodermal Tumor of Infancy at Skull: Rare and Rapid-Growing Tumor but Histologically Benign

Author:

Yindeedej Vich,Kittisangvara Lisa

Abstract

<b><i>Introduction:</i></b> Melanotic neuroectodermal tumor of infancy (MNTI) is a rare and rapid-growing tumor. However, a neurosurgeon should not overlook this entity when differential diagnosing rapid-growing skull tumor because its histology nature is just benign, and the prognosis is much better than other malignant tumors. <b><i>Case Presentation:</i></b> We reported the case of a 5-month old male presenting with progressive rapid-growing skull tumor which became 10 cm in diameter in only 5 months compared to the normal head circumference at birth. At first, we thought of malignant skull tumor and performed only biopsy to establish diagnosis. But, when the pathology revealed benign MNTI, we performed preoperative tumor embolization and then radical surgery. Good result was observed. <b><i>Discussion:</i></b> Skull MNTI is the second most common location after the maxilla. Even advanced imaging nowadays cannot distinguish MNTI from other malignant tumors definitely. Urgent biopsy is recommended to establish diagnosis of this benign tumor first. Preoperative angiography with tumor embolization is recommended when feasible, followed by craniotomy with radical resection.

Publisher

S. Karger AG

Subject

Clinical Neurology,General Medicine,Surgery,Pediatrics, Perinatology, and Child Health

Reference11 articles.

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4. Ebel F, Thieringer FM, Kunz C, Klein-Franke A, Scheinemann K, Guzman R, et al. Melanotic neuroectodermal tumor of infancy to the skull: case-based review. Childs Nerv Syst. 2020;36(4):679–88.

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