Extracranial neurogenic tumors of the head and neck. 2015

Otávio Alberto Curioni, and Ricardo Pires de Souza, and Ana Maria da Cunha Mercante, and Ana Carolina de Jesus, and Alysson Pavelegeni, and Rogério Aparecido Dedivitis, and Abrão Rapoport
Faculdade de Ciências Médicas de Santos, Centro Universitário Lusíada (UNILUS), São Paulo, SP, Brazil; Department of Head and Neck Surgery and Otorhinolaryngology, Hospital Heliópolis, São Paulo, SP, Brazil.

BACKGROUND Peripheric nerve tumors typically derive from Schwann cells of the peripheral nerve sheet. Since these tumors are uncommon, they should be considered in preoperative differential diagnosis. OBJECTIVE To report the experience of a tertiary care department. METHODS Forty-two patients with head and neck peripheral neurogenic tumors were retrospectively analyzed and evaluated from 1977 to 2013. The preoperative diagnosis was confirmed by biopsy or imaging study. RESULTS The mean age was 41.7 and 15 patients (36%) were male. The mean size was 5.5cm and 26 (61%) were located laterally in the neck. Most tumors (39.9%) presented as an asymptomatic neck mass. Most (39.9%) were resected through a neck approach. Cranial nerves were the commonest site of origin. CONCLUSIONS Extracranial neurogenic tumors presented with a mean size of 5.5cm, were located laterally in the neck, normally had their origin from cranial nerves, and their resection approach is cervical.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D009442 Neurilemmoma A neoplasm that arises from SCHWANN CELLS of the cranial, peripheral, and autonomic nerves. Clinically, these tumors may present as a cranial neuropathy, abdominal or soft tissue mass, intracranial lesion, or with spinal cord compression. Histologically, these tumors are encapsulated, highly vascular, and composed of a homogenous pattern of biphasic fusiform-shaped cells that may have a palisaded appearance. (From DeVita Jr et al., Cancer: Principles and Practice of Oncology, 5th ed, pp964-5) Neurinoma,Schwannoma,Schwannomatosis, Plexiform,Neurilemoma,Neurilemmomas,Neurilemomas,Neurinomas,Plexiform Schwannomatoses,Plexiform Schwannomatosis,Schwannomas
D009455 Neurofibroma A moderately firm, benign, encapsulated tumor resulting from proliferation of SCHWANN CELLS and FIBROBLASTS that includes portions of nerve fibers. The tumors usually develop along peripheral or cranial nerves and are a central feature of NEUROFIBROMATOSIS 1, where they may occur intracranially or involve spinal roots. Pathologic features include fusiform enlargement of the involved nerve. Microscopic examination reveals a disorganized and loose cellular pattern with elongated nuclei intermixed with fibrous strands. (From Adams et al., Principles of Neurology, 6th ed, p1016) Neurofibromas
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003390 Cranial Nerve Neoplasms Benign and malignant neoplasms that arise from one or more of the twelve cranial nerves. Cranial Neuroma, Benign,Benign Cranial Nerve Neoplasms,Benign Cranial Nerve Tumors,Cranial Nerve Neoplasms, Benign,Cranial Nerve Neoplasms, Malignant,Cranial Nerve Tumors, Benign,Cranial Nerve Tumors, Malignant,Malignant Cranial Nerve Neoplasms,Malignant Cranial Nerve Tumors,Neoplasms, Cranial Nerve,Neoplasms, Cranial Nerve, Benign,Neoplasms, Cranial Nerve, Malignant,Tumors, Cranial Nerve, Benign,Tumors, Cranial Nerve, Malignant,Benign Cranial Neuroma,Benign Cranial Neuromas,Cranial Nerve Neoplasm,Cranial Neuromas, Benign,Neoplasm, Cranial Nerve,Neuroma, Benign Cranial,Neuromas, Benign Cranial
D005260 Female Females
D006258 Head and Neck Neoplasms Soft tissue tumors or cancer arising from the mucosal surfaces of the LIP; oral cavity; PHARYNX; LARYNX; and cervical esophagus. Other sites included are the NOSE and PARANASAL SINUSES; SALIVARY GLANDS; THYROID GLAND and PARATHYROID GLANDS; and MELANOMA and non-melanoma skin cancers of the head and neck. (from Holland et al., Cancer Medicine, 4th ed, p1651) Cancer of Head and Neck,Head Cancer,Head Neoplasm,Head and Neck Cancer,Head and Neck Neoplasm,Neck Cancer,Neck Neoplasm,Neck Neoplasms,Neoplasms, Upper Aerodigestive Tract,UADT Neoplasm,Upper Aerodigestive Tract Neoplasm,Upper Aerodigestive Tract Neoplasms,Cancer of Head,Cancer of Neck,Cancer of the Head,Cancer of the Head and Neck,Cancer of the Neck,Head Neoplasms,Head, Neck Neoplasms,Neoplasms, Head,Neoplasms, Head and Neck,Neoplasms, Neck,UADT Neoplasms,Cancer, Head,Cancer, Neck,Cancers, Head,Cancers, Neck,Head Cancers,Neck Cancers,Neoplasm, Head,Neoplasm, Neck,Neoplasm, UADT,Neoplasms, UADT
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths

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