Reticulated truncal pigmentation. Confluent and reticulated papillomatosis of Gougerot and Carteaud

Sau, Purnima; Lupton, George P.

doi:10.1001/archderm.124.8.1272b

Cited by 12 publications

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“…The conditions to be considered in the differential diagnosis of CRP include tinea versicolor, Darier's disease, and acanthosis nigricans (AN) (7). Tinea versicolor was ruled out by the absence of organisms on KOH examination and Periodic acid-Schiff (PAS) staining.…”

Section: Discussionmentioning

confidence: 99%

Two Cases of Confluent and Reticulated Papillomatosis with an Unusual Location

Lee¹,

Cho²,

Hong³

et al. 2009

Acta Derm Venerol

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Confluent and reticulated papillomatosis (CRP) is a rare dermatosis of unknown origin characterized by hyperpigmented, confluent papules. The sites of predilection are the neck., inter-mammary area and abdomen (I). Rarely, CRP develops at the other sites, such as the knee, elbow, hand, and antecubital and popliteal fossae (2, 3). We describe two rare cases of CRP that developed at the elbow and popliteal fossae. CASE REPORTCase I An 18-year-old Korean man presented with an erythematous reticulated scaly plaque in both popliteal fossae. Two weeks earlier, hyperpigmented papules developed in both popliteal fossae and evolved into a reticulated velvety plaque with moderate itching. The skin lesions gradually increased in size and became confluent. At the local hospital, he was treated with an antifungal agent, but the lesions grew further. The physical examination showed a symmetric erythematous reticulated sealy plaque in his popliteal fossae (Fig. 1 ). Routine haematological and biochemical investigations revealed no abnormaliiies. No fungus was found on potassium hydroxide (KOH) examination. His family and pasi histories were non-contributory. Histopathological examination revealed epidermal hyperkeratosis, papiMomatosis. acanthosis, and dermal perivascular sparse lymphocytic infiltration, compatible with CRP. The patient was given methylprednisolone aceponate cream for one week and the lesions faded gradually and cleared within 4 weeks. Case 2A 17-year-old man presented with erythematous to brownish reticulated patches and plaques on both elbows for one year; these spread to both popliteal fossae and axillae. Physical examination revealed erythematous to brownish patches and plaques in a confluent and reticulated pattern (Fig. 2). K.ÜH preparation and fungal culture of scrapings from the eruptions were negative. The complete blood cell count, erythrocyte sedimentation rate, and liver and kidney function tests were within normal limits. A biopsy specimen taken from the popliteal fossae showed hyperkeratosis. a slightly thickened stratum granulosum. papillomatosis, acanthosis and mild increased pigmentation in the basal layer (Fig. 3), The clinical and histopathological findings were compatible with the diagnosis of Fig. I. Case I. Symmetric erythematous reticulated scaly plaque on the both popliteal fossae.Fig. 2. Case 2. Erythematous to brownish patches and plaques in a confluent and reticulated pattern on the elbow. Acia Derm Venereot 89 ©2(K)9TheAuthore.

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Section: Discussionmentioning

confidence: 99%

Two Cases of Confluent and Reticulated Papillomatosis with an Unusual Location

Lee¹,

Cho²,

Hong³

et al. 2009

Acta Derm Venerol

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“…The conditions to be considered in the differential diagnosis of CRP are tinea versicolor, Darier’s disease, benign acanthosis nigricans, pseudoacanthosis nigricans 5 and prurigo pigmentosa (Nagashima), 18 eczematous dermatitis, seborrheic dermatitis, and photodermatitis 16 …”

Section: Discussionmentioning

confidence: 99%

“…The disease is subject to spontaneous remissions and exacerbations 4 . The majority of cases are sporadic, although familial occurrences have been reported 5,6 …”

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confidence: 99%

“…Various treatment modalities have been proposed. Successful therapeutic trials have included oral ketoconazole, topical miconazole, 11 oral isotretinoin, 12 oral etretinate, 13 salicylic acids, selenium sulphide, some antibiotics, 7 ultraviolet light, surgery, roentgen irradiation, and thyroid extract 5 . Recently, treatment with various antibiotics including minocycline, 1,7 fusidic acid, clarithromycin, erythromycin, 7 and azithromycin, 7,14,15 has also been reported.…”

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Is confluent and reticulated papillomatosis without papillomatosis early or late stage of confluent and reticulated papillomatosis?

Atasoy

Aliağaoğlu

2006

J Cutan Pathol

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The histologic findings of confluent and reticulated papillomatosis include papillomatosis, hyperkeratosis, and minimal or no acanthosis. We present a patient with the clinical findings of confluent and reticulated papillomatosis who responded dramatically to azithromycin, but histologic examination did not reveal papillomatosis. We observed invagination of basket-weave hyperkeratosis through the epidermis. We considered this finding may give a clue for the diagnosis of confluent and reticulated papillomatosis.

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“…The main differential diagnosis of CRP is acanthosis nigricans: histopathologically both entities are indistinguishable, 6,9,10 only the clinical data can establish the diagnosis. 11 Both disorders have a close relationship, since there are patients concomitantly affected by CRP and acanthosis nigricans, 4,7,12 and some authors have even suggested that they might be the same entity with distinct morphological features.…”

Section: Discussionmentioning

confidence: 99%

Confluent and reticulated papillomatosis (Gougerot-Carteaud) successfully treated with tacalcitol

Ginarte

Fabeiro

Toribio

2002

Journal of Dermatological Treatment

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Confluent and reticulated papillomatosis (CRP) is a rare dermatosis of unknown aetiology whose relationship to Malassezia furfur is still debated. Antifungal agents, antibiotics, retinoids, and, more recently, calcipotriol have been successfully used as treatment. The authors report on a 14-year-old female with confluent and reticulated papillomatosis in whom M. furfur was found. Anti-fungal therapy eliminated the fungus, but did not achieve the disappearance of the lesions. Further treatment with tacalcitol was successful, supporting the theory that CRP might be a disorder of keratinization. To the authors' knowledge, this is the first patient treated with tacalcitol for this entity.

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Reticulated truncal pigmentation. Confluent and reticulated papillomatosis of Gougerot and Carteaud

Cited by 12 publications

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Two Cases of Confluent and Reticulated Papillomatosis with an Unusual Location

Two Cases of Confluent and Reticulated Papillomatosis with an Unusual Location

Is confluent and reticulated papillomatosis without papillomatosis early or late stage of confluent and reticulated papillomatosis?

Confluent and reticulated papillomatosis (Gougerot-Carteaud) successfully treated with tacalcitol

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