Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge

Facial papular eruptions remain a diagnostic dilemma for the dermatologist with a wide range of inflammatory and infectious conditions manifesting in this manner. Here, we present a case of a 29-year-old, otherwise healthy man from North India with asymptomatic well-defined normoaesthetic symmetrica...

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Main Authors: Kanika Sahni, Deepika Yadav, Rhea Ahuja, Shipra Agarwal
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2022-01-01
Series:Indian Dermatology Online Journal
Subjects:
Online Access:http://www.idoj.in/article.asp?issn=2229-5178;year=2022;volume=13;issue=1;spage=102;epage=104;aulast=Sahni
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author Kanika Sahni
Deepika Yadav
Rhea Ahuja
Shipra Agarwal
author_facet Kanika Sahni
Deepika Yadav
Rhea Ahuja
Shipra Agarwal
author_sort Kanika Sahni
collection DOAJ
description Facial papular eruptions remain a diagnostic dilemma for the dermatologist with a wide range of inflammatory and infectious conditions manifesting in this manner. Here, we present a case of a 29-year-old, otherwise healthy man from North India with asymptomatic well-defined normoaesthetic symmetrical papules and plaques over the upper and mid-face of 3 months duration. Skin biopsy showed perivascular and periappendageal well-defined collections of foamy macrophages and epithelioid cells in superficial and deep dermis, characteristic of borderline lepromatous leprosy. Though acid-fast stain for lepra bacilli was negative both on lesional biopsy specimen and lesional and ear lobe slit skin smear, a 16s ribosomal ribonucleic acid (16s-r-RNA) polymerase chain reaction on skin biopsy specimen was found to be positive for lepra bacilli. A final diagnosis of borderline lepromatous leprosy in type I reaction was made and the patient received World Health Organization (WHO) multibacillary (MB) multidrug therapy along with oral steroids. This case highlights the unusual localized involvement in a case of MB leprosy lacking all the three cardinal features of leprosy, i.e. sensory loss, peripheral nerve involvement, and acid-fast bacilli positivity on biopsy or slit skin smear but diagnosed on the basis of characteristic histology and positive polymerase chain reaction results.
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spelling doaj.art-47d50f4697d7435cb9afceaa6bd3eef82022-12-22T04:10:33ZengWolters Kluwer Medknow PublicationsIndian Dermatology Online Journal2229-51782022-01-0113110210410.4103/idoj.IDOJ_66_21Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challengeKanika SahniDeepika YadavRhea AhujaShipra AgarwalFacial papular eruptions remain a diagnostic dilemma for the dermatologist with a wide range of inflammatory and infectious conditions manifesting in this manner. Here, we present a case of a 29-year-old, otherwise healthy man from North India with asymptomatic well-defined normoaesthetic symmetrical papules and plaques over the upper and mid-face of 3 months duration. Skin biopsy showed perivascular and periappendageal well-defined collections of foamy macrophages and epithelioid cells in superficial and deep dermis, characteristic of borderline lepromatous leprosy. Though acid-fast stain for lepra bacilli was negative both on lesional biopsy specimen and lesional and ear lobe slit skin smear, a 16s ribosomal ribonucleic acid (16s-r-RNA) polymerase chain reaction on skin biopsy specimen was found to be positive for lepra bacilli. A final diagnosis of borderline lepromatous leprosy in type I reaction was made and the patient received World Health Organization (WHO) multibacillary (MB) multidrug therapy along with oral steroids. This case highlights the unusual localized involvement in a case of MB leprosy lacking all the three cardinal features of leprosy, i.e. sensory loss, peripheral nerve involvement, and acid-fast bacilli positivity on biopsy or slit skin smear but diagnosed on the basis of characteristic histology and positive polymerase chain reaction results.http://www.idoj.in/article.asp?issn=2229-5178;year=2022;volume=13;issue=1;spage=102;epage=104;aulast=Sahnicentrofacial eruptionfoamy macrophageslocalized multibacillary leprosypolymerase chain reaction
spellingShingle Kanika Sahni
Deepika Yadav
Rhea Ahuja
Shipra Agarwal
Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
Indian Dermatology Online Journal
centrofacial eruption
foamy macrophages
localized multibacillary leprosy
polymerase chain reaction
title Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
title_full Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
title_fullStr Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
title_full_unstemmed Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
title_short Symmetrical centrofacial erythematous plaques and papules: A clinicopathological challenge
title_sort symmetrical centrofacial erythematous plaques and papules a clinicopathological challenge
topic centrofacial eruption
foamy macrophages
localized multibacillary leprosy
polymerase chain reaction
url http://www.idoj.in/article.asp?issn=2229-5178;year=2022;volume=13;issue=1;spage=102;epage=104;aulast=Sahni
work_keys_str_mv AT kanikasahni symmetricalcentrofacialerythematousplaquesandpapulesaclinicopathologicalchallenge
AT deepikayadav symmetricalcentrofacialerythematousplaquesandpapulesaclinicopathologicalchallenge
AT rheaahuja symmetricalcentrofacialerythematousplaquesandpapulesaclinicopathologicalchallenge
AT shipraagarwal symmetricalcentrofacialerythematousplaquesandpapulesaclinicopathologicalchallenge