Acne in Becker's nevus
Identifieur interne : 00A077 ( Main/Exploration ); précédent : 00A076; suivant : 00A078Acne in Becker's nevus
Auteurs : Sudha Agrawal [Népal] ; Vijay Kumar Garg [Népal] ; Shatrughan Prasad Sah [Népal] ; Arun Agarwalla [Népal]Source :
- International Journal of Dermatology [ 0011-9059 ] ; 2001-09.
Abstract
An 18‐year‐old man presented with a progressively enlarging, asymptomatic, well‐demarcated, irregular, hyperpigmented patch, 13 cm × 11 cm, on the anterior aspect of the chest below the left clavicular region, with a few small macules at the periphery, of 2 years duration. After 18 months, multiple, discrete, erythematous papules and comedones developed over the patch (Fig. 1). A few melanocytic nevi were present in and around the patch. A clinical diagnosis of Becker's nevus with acne vulgaris was made. A skin biopsy from the patch showed acanthosis, elongated rete ridges, increased pigmentation in the basal layer, and a mild perivascular lymphocytic infiltrate in the upper and lower dermis with few melanophages in the dermis. Histopathology of the comedone revealed slight acanthosis, irregular elongation of the rete ridges, and hyperpigmentation of the basal layer of the epidermis. Multiple melanophages were seen in the upper dermis. In the mid‐dermis, a ruptured closed comedone was seen. The follicular lumen contained a plug of loosely arranged keratinized cells, sebaceous material, and bacterial colonies. Aggregates of neutrophils were found at the site of rupture of the follicular wall. There was a mild perivascular lymphocytic infiltrate in the upper and lower dermis (Fig. 2). These features confirmed the diagnosis of Becker's nevus with acne vulgaris. The acne was treated with 0.05% tretinoin and 2% erythromycin creams. After 2 months of treatment, all the acne lesions subsided. On further follow‐up, the patient had relapse of the acne lesions over the patch with the discontinuation of treatment. A few new lesions also appeared on the face. The treatment was restarted, but the patient was lost to follow‐up. Multiple, discrete, erythematous papules and comedones over Becker's nevus with a few melanocytic nevi in and around the lesion Slight acanthosis, irregular elongation of the rete ridges, and hyperpigmentation of the basal layer of the epidermis, multiple melanophages in the upper dermis, and a ruptured closed comedone in the mid‐dermis (hematoxylin and eosin, × 40)
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DOI: 10.1046/j.1365-4362.2001.01248-4.x
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P. Koirala Institute of Health Sciences, Dharan</wicri:regionArea><wicri:noRegion>Dharan</wicri:noRegion></affiliation></author><author><name sortKey="Garg, Vijay Kumar" sort="Garg, Vijay Kumar" uniqKey="Garg V" first="Vijay Kumar" last="Garg">Vijay Kumar Garg</name><affiliation wicri:level="1"><country xml:lang="fr">Népal</country><wicri:regionArea>From the Department of Dermatology and Pathology, B. P. Koirala Institute of Health Sciences, Dharan</wicri:regionArea><wicri:noRegion>Dharan</wicri:noRegion></affiliation></author><author><name sortKey="Sah, Shatrughan Prasad" sort="Sah, Shatrughan Prasad" uniqKey="Sah S" first="Shatrughan Prasad" last="Sah">Shatrughan Prasad Sah</name><affiliation wicri:level="1"><country xml:lang="fr">Népal</country><wicri:regionArea>From the Department of Dermatology and Pathology, B. P. Koirala Institute of Health Sciences, Dharan</wicri:regionArea><wicri:noRegion>Dharan</wicri:noRegion></affiliation></author><author><name sortKey="Agarwalla, Arun" sort="Agarwalla, Arun" uniqKey="Agarwalla A" first="Arun" last="Agarwalla">Arun Agarwalla</name><affiliation wicri:level="1"><country xml:lang="fr">Népal</country><wicri:regionArea>From the Department of Dermatology and Pathology, B. P. Koirala Institute of Health Sciences, Dharan</wicri:regionArea><wicri:noRegion>Dharan</wicri:noRegion></affiliation></author></analytic><monogr></monogr><series><title level="j" type="main">International Journal of Dermatology</title><title level="j" type="alt">INTERNATIONAL JOURNAL OF DERMATOLOGY</title><idno type="ISSN">0011-9059</idno><idno type="eISSN">1365-4632</idno><imprint><biblScope unit="vol">40</biblScope><biblScope unit="issue">9</biblScope><biblScope unit="page" from="583">583</biblScope><biblScope unit="page" to="585">585</biblScope><biblScope unit="page-count">3</biblScope><publisher>Blackwell Science Ltd</publisher><pubPlace>Oxford, UK</pubPlace><date type="published" when="2001-09">2001-09</date></imprint><idno type="ISSN">0011-9059</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0011-9059</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An 18‐year‐old man presented with a progressively enlarging, asymptomatic, well‐demarcated, irregular, hyperpigmented patch, 13 cm × 11 cm, on the anterior aspect of the chest below the left clavicular region, with a few small macules at the periphery, of 2 years duration. After 18 months, multiple, discrete, erythematous papules and comedones developed over the patch (Fig. 1). A few melanocytic nevi were present in and around the patch. A clinical diagnosis of Becker's nevus with acne vulgaris was made. A skin biopsy from the patch showed acanthosis, elongated rete ridges, increased pigmentation in the basal layer, and a mild perivascular lymphocytic infiltrate in the upper and lower dermis with few melanophages in the dermis. Histopathology of the comedone revealed slight acanthosis, irregular elongation of the rete ridges, and hyperpigmentation of the basal layer of the epidermis. Multiple melanophages were seen in the upper dermis. In the mid‐dermis, a ruptured closed comedone was seen. The follicular lumen contained a plug of loosely arranged keratinized cells, sebaceous material, and bacterial colonies. Aggregates of neutrophils were found at the site of rupture of the follicular wall. There was a mild perivascular lymphocytic infiltrate in the upper and lower dermis (Fig. 2). These features confirmed the diagnosis of Becker's nevus with acne vulgaris. The acne was treated with 0.05% tretinoin and 2% erythromycin creams. After 2 months of treatment, all the acne lesions subsided. On further follow‐up, the patient had relapse of the acne lesions over the patch with the discontinuation of treatment. A few new lesions also appeared on the face. The treatment was restarted, but the patient was lost to follow‐up. Multiple, discrete, erythematous papules and comedones over Becker's nevus with a few melanocytic nevi in and around the lesion Slight acanthosis, irregular elongation of the rete ridges, and hyperpigmentation of the basal layer of the epidermis, multiple melanophages in the upper dermis, and a ruptured closed comedone in the mid‐dermis (hematoxylin and eosin, × 40)</div></front></TEI><affiliations><list><country><li>Népal</li></country></list><tree><country name="Népal"><noRegion><name sortKey="Agrawal, Sudha" sort="Agrawal, Sudha" uniqKey="Agrawal S" first="Sudha" last="Agrawal">Sudha Agrawal</name></noRegion><name sortKey="Agarwalla, Arun" sort="Agarwalla, Arun" uniqKey="Agarwalla A" first="Arun" last="Agarwalla">Arun Agarwalla</name><name sortKey="Garg, Vijay Kumar" sort="Garg, Vijay Kumar" uniqKey="Garg V" first="Vijay Kumar" last="Garg">Vijay Kumar Garg</name><name sortKey="Sah, Shatrughan Prasad" sort="Sah, Shatrughan Prasad" uniqKey="Sah S" first="Shatrughan Prasad" last="Sah">Shatrughan Prasad Sah</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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