[A case of an intracranially located esthesioneuroepithelioma].
A 1-year-8-month-old boy was admitted to our service on September 30, 1986, complaining of nausea, vomiting and consciousness disturbance lasted for about 2 weeks. In CTs, right frontal cystic mass which was homogeneously enhanced by contrast media was revealed. Neither hypervascularity nor tumor staining were seen angiographically. On October 9, 1986, total removal of the tumor was performed. The tumor was located extracerebrally in the right anterior cranial fossa, but was covered with arachnoid membrane. The tumor showed tight adhesion with falx cerebri, particularly at crista galli where an invasive infiltration was seen. Light microscopic examination demonstrated oval or spherical small cells arranged multilobularly with rosette like formation and numerous mitoses. Ultrastructurally, cilia, microvilli and junctional complexes were observed. No dense-cored secretory granules were found in the tumor cells. Immunohistochemical study on this tumor showed negative NF and GFAP; positive NSE, S-100, vimentin and keratin. From these findings, the tumor was diagnosed as esthesioneuroepithelioma. Postoperatively, irradiation and chemotherapies were also performed, and the patient showed uneventful course. On January 31, 1987, he was discharged on his foot, and no recurrent or metastatic signs could be found until the end of March of 1990.
Department of Neurosurgery, Hirosaki University School of Medicine, Japan.
H
H
Manabe
T
T
Moriyama
K
K
Saitoh
S
S
Suzuki
H
H
Takahashi
F
F
Ikuta
D001932:Brain Neoplasms / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D007150:Immunohistochemistry; D007223:Infant; D008297:Male; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000175:diagnosis* / Q000473:pathology