¸ñÀû: The features of tumor arising from external auditory canal has
not been
investigated with abundant sample size before. The purpose of
this study
is to compare the clinical features of patients who underwent
surgery
for an external auditory canal mass confirmed as a benign lesion. ¹æ¹ý:This study was conducted retroprospectively at the Department of
Otorhinolaryngology-Head and Neck Surgery, Guro Hospital, Korea
University College of Medicine, Seoul, Korea. Between October
2006 and
January 2015, Sixty-eight patients was included, who all
unederwent
surgical excision for external auditory mass and followed up
outpatient
clinics over six months in postoperative period. And we analyzed
the
characteristics pathologic type, incidence, recurrence, age,
gender and
affected side of ear. °á°ú:Of the 68 patients, 35 males(51.5%) and 33 females(48.5%) between the
ages of 3 and 75 years were included in the study. The mean age of the
patients was 55.2 7.8 yers. And the most common pathologic types were
intradermal nevus(19patients, 27.94%), epidermal cyst(11patients,
16.17%), and osteoma(9patients, 13.23%). No signicant differences were
found in terms of gender, involved side. The overall recurrence rate
after excision was 7.35% and higher in fibroepithelial polyp(1 of 1,
100%), intraepidermal pilar epithelioma(1 of 1, 100%), chronic
inflammation(1 of 6patients, 16.67%). Recurrent lesions were all re-
excised and there was one case in fibroepithelial polyp group, who
recurred twice so exhibited surgical procedures three times. °á·Ð:Our results suggested intradermal nevus was the most common
pathologic
type in external auditory canal benign tumors and overall
recurrence
rate was 7.35%. But the recurrence rate was higher in chronic
inflammation, fibroepithelial polyp, intraepidermal pilar
epithelioma,
so in these cases close observation should be needed in
postoperative
period. |