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  In this article
    Abstract
    Introduction
    Case Report
    Discussion
    References

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CASE REPORT
Year : 2004  |  Volume : 70  |  Issue : 2  |  Page : 112-113

Nevus of ota associated with nevus of Ito


Consultant Dermatologist, Asansol

Correspondence Address:
"Pranab" Ismile (Near Dharmaraj Mandir), Asansol - 713301
dramiyaurmi@yahoo.co.in

   Abstract 

Nevus of Ota is a dermal melanocytic nevus seen predominantly in females. It is uncommon in India. Its association with nevus of Ito, another dermal melanocytic nevus, is extremely rare. We report this rare association in a male patient, which is another interesting feature of the present case.

How to cite this article:
Mukhopadhyay AK. Nevus of ota associated with nevus of Ito. Indian J Dermatol Venereol Leprol 2004;70:112-3


How to cite this URL:
Mukhopadhyay AK. Nevus of ota associated with nevus of Ito. Indian J Dermatol Venereol Leprol [serial online] 2004 [cited 2014 Nov 27];70:112-3. Available from: http://www.ijdvl.com/text.asp?2004/70/2/112/6906



   Introduction Top


First described by Ota in 1939, nevus of Ota is an extensive, blue patch of dermal pigmentation involving the eyelids, the bulbar and palpebral conjunctiva and sclera, the cheeks, forehead, scalp, alae nasi and ears. The mucosa of the cheeks and palate may also be affected.[1] The condition is uncommon in India. It is very rare in male patients.[2]

Nevus of Ito was first described in 1954 by Ito. It has the same features of Ota's nevus except that it occurs in the distribution of the posterior supraclavicular and lateral cutaneous branchial nerves, to involve the shoulder, side of the neck and supraclavicular areas.[3]

We report the simultaneous occurrence of nevus of Ota and nevus of Ito in a male patient.


   Case Report Top

A 38-year-old man presented with an asymptomatic hyperpigmented lesion on the left side of the face, left eyelid and sclera of the left eye. He also had a similar lesion on the left shoulder. According to the patient, the facial and the shoulder lesions were present since childhood, but the former had appeared earlier. After gradual progression to the age of 25 years the lesions had reached the present size and then remained static. There was no significant family history

On examination, bluish grey pigmentation of the left side of the face, left eye and left sclera was noted. The lesions on the shoulder were of a similar color, but diffuse in nature, with some darker macules at places [Figure - 1]. Ophthalmological examination revealed no abnormality. General examination showed no abnormality. Histopathological examination of the lesions showed dermal dendritic melanocytes scattered in the upper portion of the dermis.


   Discussion Top


Both nevus of Ota and nevus of Ito are dermal melanocytic nevi. They are particularly common in the Japanese.[1] Nevus of Ota affects about 0.8% of the Japanese,[4] but is uncommon in India.[2] Its distribution is usually restricted to the first and second divisions of the trigeminal nerve, but rarely lesions may occur on the trunk.[3]

The present case is interesting because of the very rare association of nevus of Ota and nevus of Ito in the same patient and also because the patient is a male, whereas 80% of the cases of nevus of Ota occur in females.[2] 

   References Top

1.Mackie RM. Melanocytic naevi and malignant melanoma. In: Champion RH, Burton JL, Burns DA, Breathnach SM, editors. Textbook of dermatology. Oxford: Blackwell Science; 1998. p. 1717-52.   Back to cited text no. 1    
2.Gangopadhyay AK. Bilateral nevus of Ota. Indian J Dermatol Venereol Leprol 1997;63:50-2.  Back to cited text no. 2    
3.Arnold HL, Odom RB, James WD. Andrew's diseases of the skin: clinical dermatology. 8th ed. Philadelphia: WB Saunders; 1990. p. 808-30.  Back to cited text no. 3    
4.Ahmed QM, Hassan I, Qayoom S. Bilateral nevus of Ota. Indian J Dermatol 2001;46:248-9.  Back to cited text no. 4    
5.Carleton A, Biggs R. Diffuse mesodermal pigmentation with congenital cranial abnormality. Br J Dermatol Syphilol 1948;60:10-3.  Back to cited text no. 5    

 

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