Melanotic neuroectodermal tumour of infancy: Report of two cases and review of the literature

Abstract Melanotic neuroectodermal tumour of infancy (MNTI) is an uncommon tumour affecting predominantly the craniofacial bones of the newborn infants. The neural crest origin of the tumour has been confirmed. MNTI is generally accepted as a benign tumour despite of its rapid and locally infiltrati...

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Published in:Journal of cranio-maxillo-facial surgery 2012-06, Vol.40 (4), p.e103-e107
Main Authors: Manojlović, Spomenka, Virag, Mišo, Lukšić, Ivica, Müller, Danko
Format: Article
Language:English
Subjects:
Cell Nucleus - ultrastructure
Cytoplasm - ultrastructure
Dentistry
Diagnosis, Differential
Female
Humans
Infant
Jaw neoplasm
Male
Maxillary Neoplasms - diagnosis
Maxillary Neoplasms - pathology
Maxillary Sinus - pathology
Melanins - analysis
Melanotic neuroectodermal tumour of infancy (MNTI)
Neoplasm Invasiveness
Neuroectodermal Tumor, Melanotic - diagnosis
Neuroectodermal Tumor, Melanotic - pathology
Paranasal Sinus Neoplasms - diagnosis
Surgery
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Summary:Abstract Melanotic neuroectodermal tumour of infancy (MNTI) is an uncommon tumour affecting predominantly the craniofacial bones of the newborn infants. The neural crest origin of the tumour has been confirmed. MNTI is generally accepted as a benign tumour despite of its rapid and locally infiltrative growth. Recurrence rate varies between 10% and 60%, and malignant behaviour has been reported in 6.5% of MNTIs. Systematic review of the literature revealed 445 MNTIs published between 1918 and 2010. We present additional two cases of MNTI from our Department, typical in all terms, which equals a total number of 447 reported cases. One of our cases revealed histological features consistent with malignant behaviour, but at present, 18 months after the surgical excision, there is no evidence of recurrence. Biological behaviour of MNTI cannot be predicted by gross or histologic characteristics, thus early diagnosis and careful follow-up after the complete surgical excision is required.
ISSN:1010-5182
1878-4119
DOI:10.1016/j.jcms.2011.05.013