Clinical Evaluation and Extracutaneous Hyperpigmentation in Nevus of Ota.
- Author:
Gwang Yeol JOH
;
Hee Chul EUN
;
Yoo Shin LEE
- Publication Type:Original Article
- Keywords:
Nevus of Ota;
Extracutaneous hyperpigmentation
- MeSH:
Age of Onset;
Conjunctiva;
Cryosurgery;
Ear Canal;
Ear, Middle;
Humans;
Hyperpigmentation*;
Mouth Mucosa;
Nasal Mucosa;
Nevus of Ota*;
Nevus*;
Optic Disk;
Otolaryngology;
Parturition;
Pharynx;
Pigmentation;
Sclera;
Seoul;
United Nations
- From:Korean Journal of Dermatology
1986;24(1):67-72
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
This study was undertaken to elucidate extracutaneous hyperpigmentation of nevus of Ota by analyzing the 70 patients who visited Cryosurgery Clinic in Seoul National University Hospital between January 1984 and March 1985 This results were as follows: 1. The age of onset showed two peaks: the first one was at birth or soon after birth; 27 cases(38. 6%) and the second une was between 11 and 17 years; 37 cases (45. 7%). 2 Seventy cases were classified by Taninos method: 15.7% was type I a, 27. l% type I b, 28. 6% type Il, 20. O% type g and 8. 6% type IV 3.Fifty two out of 70 cases who were examined at the department of ophtha1rnology: pigrnentation of sclera was observed in 29 cases(55. 8%.), of conjunctiva in 18 cases(34.6%), of uveal tract in 14 cases(26. 9A), of fundus in 14 cases (26. 9%) and of optic papilla in 2 cases(3. 8%). 4 Fifty two out of 70 cases who were examined at the department of Otorhinolaryngology. pigmentation of tympanum was observed in ]0 cases(23, 8%,), of nasal mucosa in 6 cases(14. 3p,), of oral mucosa in 5 cases(11, 9%), of external auditory canal in 4 cases(9 5%) and of pharynx in 1 case(2.4%,)
