Pseudoatrophoderma colli: distinct entity or just a variant of confluent and reticular papilomatosis of Gougerot-Carteaud

Sudy, Emilio; Urbina, Francisco Zúñiga; Gubelin, Walter; Misad, Carlos; Espinoza, Arturo

doi:10.5070/d32610050456

Cited by 2 publications

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“…CARP is often clinically mistaken for pityriasis versicolor and usually shows no response to therapy with antifungal agents [ 7 ]. It was previously considered a clinical form of AN, but AN differs in location (axillae and neck in AN) and has a darker appearance than CARP [ 3 , 8 ]. Pseudoatrophoderma colli is a rare entity and is usually considered a variant of CARP.…”

Section: Discussionmentioning

confidence: 99%

“…Pseudoatrophoderma colli is a rare entity and is usually considered a variant of CARP. It clinically presents as atrophic and wrinkled lesions predominantly over the trunk and neck (thus named “colli”) [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

“…The main differentiating features of CARP, AN, and pseudoatrophoderma colli are summarized in Table 1 [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

“…The etiology is unclear, but an aberrant host reaction to commensal organisms such as Malassezia furfur or Dietzia papillomatosis has been proposed [ 2 ]. CARP may masquerade as acanthosis nigricans (AN) or tinea versicolor, with few cases even showing an association with the latter [ 3 ]. We came across a case of a 15-year-old adolescent male with multiple asymptomatic pigmented lesions on the neck, upper back, chest, and chin for 3 years, which was misdiagnosed as pityriasis versicolor and AN.…”

Section: Introductionmentioning

confidence: 99%

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Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report

David¹,

Srivastava²

2023

JMIR Dermatol

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Confluent and reticulated papillomatosis (CARP) is a rare disorder mostly seen in young adults. It is characterized by persistent dull-brown, centrally confluent, peripherally reticulate macules and papules, which coalesce to form patches and plaques on the upper trunk and neck. It is commonly confused with pityriasis versicolor and acanthosis nigricans (AN). We report the case of a 15-year-old male with multiple pigmented confluent and reticulated patches and plaques on the neck, trunk, and chin for 3 years, which was successfully treated with oral minocycline, resulting in complete resolution of lesions within 2 weeks. The morphology of CARP resembles that of various other dermatological conditions such as AN and pityriasis versicolor, and, as a result, it is frequently misdiagnosed and mistreated, leading to social embarrassment for the patient. Therefore, it is prudent for dermatologists to carry out comprehensive clinical and histopathological assessments to facilitate prompt diagnosis and management of this condition.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

“…The main differentiating features of CARP, AN, and pseudoatrophoderma colli are summarized in Table 1 [ 3 ].…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report

David¹,

Srivastava²

2023

JMIR Dermatol

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Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report (Preprint)

David¹,

Srivastava²

2022

Preprint

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BACKGROUND Confluent and reticulated papillomatosis (CARP) is a rare disorder mostly seen in young adults. It is characterized by persistent dull-brown, centrally confluent, and peripherally reticulate macules and papules which coalesce to form patches and plaques on the upper trunk and neck. OBJECTIVE It is commonly confused with pityriasis versicolor and acanthosis nigricans (AN). METHODS We report a case of 15 years old male with multiple pigmented confluent and reticulated patches and plaques on neck, trunk and chin for 3 years RESULTS It was successfully treated with oral minocycline resulting in complete resolution of lesions within 2 weeks CONCLUSIONS The morphology of CARP resembles various other dermatological conditions such as acanthosis nigricans, pityriasis versicolor and as a result, it is frequently misdiagnosed and mistreated leading to social embarrassment for the patient. Therefore, it is prudent for dermatologists to carry out comprehensive clinical and histopathological assessment to facilitate prompt diagnosis and management of this condition.

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Pseudoatrophoderma colli: distinct entity or just a variant of confluent and reticular papilomatosis of Gougerot-Carteaud

Cited by 2 publications

References 0 publications

Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report

Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report

Confluent and Reticulated Papillomatosis Resembling Pityriasis Versicolor and Acanthosis Nigricans: Case Report (Preprint)

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