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Images/Instrument in Dermatology/Dermatosurgery
2022
:2;
88
doi:
10.25259/CSDM_83_2022

Lichenoid pseudovesicular papular eruption on nose

Department of Dermatology, Venereology, and Leprosy, Government Medical College and Hospital, Chandigarh, India
Corresponding author: Geeta Sharma, Department of Dermatology, Venereology, and Leprosy, Government Medical College and Hospital, Chandigarh, India. geetasharma39015@gmail.com
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This is an open-access article distributed under the terms of the Creative Commons Attribution-Non Commercial-Share Alike 4.0 License, which allows others to remix, transform, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

How to cite this article: Sharma G, Aggarwal K, Sandhu JK. Lichenoid pseudovesicular papular eruption on nose. CosmoDerma 2022;2:88.

A 36 year old female presented with multiple asymptomatic tiny and skin colored raised lesions over nose for 1 month. There was no history of hyperhidrosis, photosensitivity, facial flushing, aggravation to heat and application of irritants. On cutaneous examination, there were multiple grouped skin colored, translucent, shiny and pseudovesicular pinhead sized papules involving tip and bridge of nose [Figure 1]. Dermoscopy showed multiple red clods, white dots, and brown dots [Figure 2]. Biopsy could not be performed as patient did not give consent. Based on the literature available, our case fits the classical description of lichenoid pseudovesicular papular eruption on nose (LIPEN). Not much literature is available regarding dermoscopy but dermoscopic findings in this case were similar to previously reported cases. Almost complete resolution was reported after 3 weeks of treatment with topical calcineurin inhibitors [Figure 3].

Figure 1:: Multiple grouped, tiny, and monomorphic pseudovesicular papules over nose.
Figure 2:: Dermoscopy (ILLUCO IDS 1100, ×10, polarized) showing red clustered clods (red arrow), white dots (white arrow) and focal brown dots (green arrow) corresponding to lymphohistiocytic infiltrate, eccrine openings and pigment incontinence at dermoepidermal junction respectively.
Figure 3:: Image showing almost complete resolution of lesions after 3 weeks of once daily application of topical 0.1% tacrolimus.

LIPEN is a newly described entity which can be kept as a differential diagnosis of various facial papular disorders such as papular rosacea, sarcoidosis, Jessner’s lymphocytic infiltrate, granulomatous facial dermatitis, lichen planus, acne agminata, actinic lichen nitidus (plane topped, skin colored to hypopigmented papules, and koebnerization may be present), eccrine hydrocystoma, granulosis rubra nasi (associated hyperhidrosis and background erythema) and polymorphous light eruption.

It clinically presents as multiple tiny, pseudovesicular, monomorphic, micropapular, skin colored and translucent papules predominantly over nose and cheeks of young to middle-aged individuals. The lesions on histopathological examination show focal vacuolar degeneration of basal cell layer, pigment incontinence, colloid bodies, and lymphohistiocytic infiltrate. Not much literature is available regarding definitive treatment of LIPEN but most patients have reported near to complete resolution with topical calcineurin inhibitors.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.


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