Letter - Clinical
Amelanotic melanoma with neural lesion simulating leprosy
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(B) Ressonância magnética com imagem nodular junto ao feixe vásculo‐nervoso axilar esquerdo sugestiva de neoplasia.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Andrezza Telles Westin, Sebastião Antônio de Barros Junior, Cacilda da Silva Souza" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Andrezza Telles" "apellidos" => "Westin" ] 1 => array:2 [ "nombre" => "Sebastião Antônio de" "apellidos" => "Barros Junior" ] 2 => array:2 [ "nombre" => "Cacilda da Silva" "apellidos" => "Souza" ] ] ] ] ] "idiomaDefecto" => "pt" "Traduccion" => array:1 [ "en" => array:9 [ "pii" => "S0365059624000692" "doi" => "10.1016/j.abd.2022.12.012" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0365059624000692?idApp=UINPBA00008Z" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2666275224000729?idApp=UINPBA00008Z" "url" => "/26662752/0000009900000004/v1_202406100414/S2666275224000729/v1_202406100414/pt/main.assets" ] ] "itemSiguiente" => array:18 [ "pii" => "S0365059624000618" "issn" => "03650596" "doi" => "10.1016/j.abd.2022.12.010" "estado" => "S300" "fechaPublicacion" => "2024-07-01" "aid" => "932" "copyright" => "Sociedade Brasileira de Dermatologia" "documento" => "simple-article" "crossmark" => 1 "subdocumento" => "crp" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "en" => array:10 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter - Clinical</span>" "titulo" => "Autosomal dominant monilethrix with incomplete penetrance due to a novel <span class="elsevierStyleItalic">KRT86</span> mutation in a Chinese family" "tienePdf" => "en" "tieneTextoCompleto" => "en" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "606" "paginaFinal" => "609" ] ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 820 "Ancho" => 2508 "Tamanyo" => 212179 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Clinical features and dermoscopy of the proband. The proband exhibited sparse hair (A) and follicular hyperkeratosis (B). Dermoscopy of the proband showed typical beading and nodes (C).</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Ru Dai, Tingting Wang, Xianjie Wu" "autores" => array:3 [ 0 => array:2 [ "nombre" => "Ru" "apellidos" => "Dai" ] 1 => array:2 [ "nombre" => "Tingting" "apellidos" => "Wang" ] 2 => array:2 [ "nombre" => "Xianjie" "apellidos" => "Wu" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "pt" => array:9 [ "pii" => "S266627522400064X" "doi" => "10.1016/j.abdp.2024.04.002" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "pt" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S266627522400064X?idApp=UINPBA00008Z" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S0365059624000618?idApp=UINPBA00008Z" "url" => "/03650596/0000009900000004/v2_202407191005/S0365059624000618/v2_202407191005/en/main.assets" ] "itemAnterior" => array:17 [ "pii" => "S036505962400062X" "issn" => "03650596" "doi" => "10.1016/j.abd.2022.12.011" "estado" => "S300" "fechaPublicacion" => "2024-07-01" "aid" => "933" "documento" => "simple-article" "crossmark" => 1 "subdocumento" => "crp" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "en" => array:10 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter - Clinical</span>" "titulo" => "A novel <span class="elsevierStyleItalic">ATP2C1</span> mutation (c.1840-1G>A) in a sporadic case of isolated perianal Hailey-Hailey disease with human papillomavirus type 58 infection" "tienePdf" => "en" "tieneTextoCompleto" => "en" "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "601" "paginaFinal" => "603" ] ] "contieneTextoCompleto" => array:1 [ "en" => true ] "contienePdf" => array:1 [ "en" => true ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 830 "Ancho" => 2508 "Tamanyo" => 386266 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">Clinical observation. (A) Perianal erythema and macerated papuloplaques. (B) Mild lesional improvement 6-months following CO2 laser.</p>" ] ] ] "autores" => array:1 [ 0 => array:2 [ "autoresLista" => "Yao Zhu, Yi-Ming Fan, Yan-Xia Cai, Yong-Hua Chen, Fang Qiu" "autores" => array:5 [ 0 => array:2 [ "nombre" => "Yao" "apellidos" => "Zhu" ] 1 => array:2 [ "nombre" => "Yi-Ming" "apellidos" => "Fan" ] 2 => array:2 [ "nombre" => "Yan-Xia" "apellidos" => "Cai" ] 3 => array:2 [ "nombre" => "Yong-Hua" "apellidos" => "Chen" ] 4 => array:2 [ "nombre" => "Fang" "apellidos" => "Qiu" ] ] ] ] ] "idiomaDefecto" => "en" "Traduccion" => array:1 [ "pt" => array:9 [ "pii" => "S2666275224000651" "doi" => "10.1016/j.abdp.2024.04.003" "estado" => "S300" "subdocumento" => "" "abierto" => array:3 [ "ES" => false "ES2" => false "LATM" => false ] "gratuito" => false "lecturas" => array:1 [ "total" => 0 ] "idiomaDefecto" => "pt" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S2666275224000651?idApp=UINPBA00008Z" ] ] "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S036505962400062X?idApp=UINPBA00008Z" "url" => "/03650596/0000009900000004/v2_202407191005/S036505962400062X/v2_202407191005/en/main.assets" ] "en" => array:17 [ "idiomaDefecto" => true "cabecera" => "<span class="elsevierStyleTextfn">Letter - Clinical</span>" "titulo" => "Amelanotic melanoma with neural lesion simulating leprosy" "tieneTextoCompleto" => true "saludo" => "Dear Editor," "paginas" => array:1 [ 0 => array:2 [ "paginaInicial" => "603" "paginaFinal" => "606" ] ] "autores" => array:1 [ 0 => array:4 [ "autoresLista" => "Andrezza Telles Westin, Sebastião Antônio de Barros Junior, Cacilda da Silva Souza" "autores" => array:3 [ 0 => array:3 [ "nombre" => "Andrezza Telles" "apellidos" => "Westin" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] ] ] 1 => array:3 [ "nombre" => "Sebastião Antônio de" "apellidos" => "Barros Junior" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">b</span>" "identificador" => "aff0010" ] ] ] 2 => array:4 [ "nombre" => "Cacilda da Silva" "apellidos" => "Souza" "email" => array:1 [ 0 => "cssouza@fmrp.usp.br" ] "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">a</span>" "identificador" => "aff0005" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">*</span>" "identificador" => "cor0005" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Division of Dermatology, Department of Internal Medicine, Faculty of Medicine, Universidade de São Paulo, Ribeirão Preto, SP, Brazil" "etiqueta" => "a" "identificador" => "aff0005" ] 1 => array:3 [ "entidad" => "Department of Pathology and Forensic Medicine, Faculty of Medicine, Universidade de São Paulo, Ribeirão Preto, SP, Brazil" "etiqueta" => "b" "identificador" => "aff0010" ] ] "correspondencia" => array:1 [ 0 => array:3 [ "identificador" => "cor0005" "etiqueta" => "⁎" "correspondencia" => "Corresponding author." ] ] ] ] "resumenGrafico" => array:2 [ "original" => 0 "multimedia" => array:8 [ "identificador" => "fig0015" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 1193 "Ancho" => 2508 "Tamanyo" => 457326 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0015" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Immunohistochemistry revealing positive staining for S100 (A) and Melan-A (B).</p>" ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Amelanotic/hypomelanotic melanoma (AHM) is a subtype of cutaneous melanoma with little or no pigment on macroscopic inspection and dermoscopic evaluation, or absence of melanin on histopathology. It is a rare entity, with variable frequency, between 0.4% and 27.9%, but possibly underestimated.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a></p><p id="par0010" class="elsevierStylePara elsevierViewall">The absence of pigmentation and clinical criteria for suspected melanoma, and the morphological variability of AHM possibly lead to erroneous and late diagnosis.<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1,2</span></a> AHM can mimic a variety of benign and malignant diseases of different etiologies, whether inflammatory or infectious, in addition to neoplasias.<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1,2</span></a></p><p id="par0015" class="elsevierStylePara elsevierViewall">An 81-year-old woman was referred with suspected leprosy due to loss of strength and dropping of her left hand two months before and asymptomatic lesions on her left elbow three years before. The examination showed a group of pink papules and nodules, slightly shiny, not adhered to deeper planes, with polymorphic vessels on dermoscopy, on the side of the elbow (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>A); a deficit in arm abduction and extension of the left elbow, wrist and fingers; and a palpable 5-cm mass in the left armpit. Magnetic resonance imaging showed an expansive lesion involving the left axillary vascular-nervous bundle (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>B); electroneuromyography showed severe damage to the radial nerve. Histopathological analysis showed lentiginous proliferation of atypical melanocytes, arranged in confluent nests in the epithelium and in pagetoid migration to the upper layers of the epidermis. The dermis was infiltrated by a neoplasm of pleomorphic cells with vesicular nuclei and basophilic cytoplasm with evident nucleoli, arranged in nests and blocks, compatible with nodular melanoma of the skin (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>), presenting satellite, and in-transit metastases in the left arm. Regional metastasis was confirmed by biopsy of the mass involving the left axillary neurovascular bundle, thus defining the initial staging in TxN3cM1. Immunohistochemistry was positive for S100, CEA, and Melan-A (<a class="elsevierStyleCrossRef" href="#fig0015">Fig. 3</a>), and negative for HMB-45 and tyrosinase. Treatment with interferon was started (3,000,000 IU, three times a week), axillary radiotherapy was refused by family members, and survival was ten months.</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><elsevierMultimedia ident="fig0015"></elsevierMultimedia><p id="par0020" class="elsevierStylePara elsevierViewall">Clinically, red, pink or erythematous lesions represent almost 70% of AHMs, but they may be normochromic.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> The papulonodular form predominated in 58% of cases.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a> Among other clinical forms of AHM, there is the erythematous macule with epidermal changes on skin exposed to the sun, and the normochromic dermal plaque without epidermal changes.<a class="elsevierStyleCrossRef" href="#bib0015"><span class="elsevierStyleSup">3</span></a> All histopathological subtypes can be found among AHMs: nodular, acral lentiginous and subungual, superficial spreading and lentigo maligna.<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1–4</span></a></p><p id="par0025" class="elsevierStylePara elsevierViewall">Despite the absence of melanin-containing structures, in some cases, it is possible to observe residual pigmentation and a vascular pattern on dermoscopy, not perceptible to the naked eye.<a class="elsevierStyleCrossRefs" href="#bib0005"><span class="elsevierStyleSup">1,5</span></a> Different vascular morphologies have been recognized in AHMs: irregular linear, serpentine (polymorphic), dotted and staple-shaped vessels, as well as milky-red areas, and white structures and lines.<a class="elsevierStyleCrossRef" href="#bib0025"><span class="elsevierStyleSup">5</span></a> However, the vascular pattern in association with the history and clinical findings, and particularly the histopathological and immunohistochemical analyses are necessary for diagnosis.<a class="elsevierStyleCrossRef" href="#bib0005"><span class="elsevierStyleSup">1</span></a></p><p id="par0030" class="elsevierStylePara elsevierViewall">Female gender, nodular and unclassified histopathological subtypes, increased Breslow thickness, presence of mitoses, severe solar elastosis, and absence of coexisting nevus have been associated with AHM.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> The presence of mitoses, regardless of Breslow thickness, suggests that AHMs may grow more quickly presenting more advanced tumor stages and shorter survival, when compared to pigmented melanoma.<a class="elsevierStyleCrossRef" href="#bib0010"><span class="elsevierStyleSup">2</span></a> Notably, patients with AHMs were more likely to be misdiagnosed compared to those with pigmented melanomas.<a class="elsevierStyleCrossRef" href="#bib0020"><span class="elsevierStyleSup">4</span></a> These aspects require a high index of suspicion to potentially minimize late diagnosis at advanced stages of the disease.</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Financial support</span><p id="par0035" class="elsevierStylePara elsevierViewall">None declared.</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Authors’ contributions</span><p id="par0040" class="elsevierStylePara elsevierViewall">Andrezza Telles Westin: Design and planning of the study; data collection, or analysis and interpretation of data; drafting and editing of the manuscript or critical review of intellectual content; collection, analysis and interpretation of data; intellectual participation in the propaedeutic and/or therapeutic conduct of the studied case; approval of the final version of the manuscript.</p><p id="par0045" class="elsevierStylePara elsevierViewall">Sebastião Antônio de Barros Junior: Data collection, or analysis and interpretation of data; collection, analysis and interpretation of data; approval of the final version of the manuscript.</p><p id="par0050" class="elsevierStylePara elsevierViewall">Cacilda da Silva Souza: Design and planning of the study; data collection, or analysis and interpretation of data; drafting and editing of the manuscript or critical review of intellectual content; collection, analysis and interpretation of data; intellectual participation in the propaedeutic and/or therapeutic conduct of the studied case; critical review of the literature; approval of the final version of the manuscript.</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflicts of interest</span><p id="par0055" class="elsevierStylePara elsevierViewall">None declared.</p></span></span>" "textoCompletoSecciones" => array:1 [ "secciones" => array:4 [ 0 => array:2 [ "identificador" => "sec0005" "titulo" => "Financial support" ] 1 => array:2 [ "identificador" => "sec0010" "titulo" => "Authors’ contributions" ] 2 => array:2 [ "identificador" => "sec0015" "titulo" => "Conflicts of interest" ] 3 => array:1 [ "titulo" => "References" ] ] ] "pdfFichero" => "main.pdf" "tienePdf" => true "fechaRecibido" => "2022-09-03" "fechaAceptado" => "2022-12-14" "NotaPie" => array:1 [ 0 => array:2 [ "etiqueta" => "⋆" "nota" => "<p class="elsevierStyleNotepara" id="npar0005">Study conducted at the Division of Dermatology, Hospital das Clínicas, Faculty of Medicine, Universidade de São Paulo, Ribeirão Preto, SP, Brazil.</p>" ] ] "multimedia" => array:3 [ 0 => array:8 [ "identificador" => "fig0005" "etiqueta" => "Figure 1" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr1.jpeg" "Alto" => 1425 "Ancho" => 2508 "Tamanyo" => 396304 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0005" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0005" class="elsevierStyleSimplePara elsevierViewall">(A) Shiny pink nodules and papules in the left elbow area, representing and in-transit metastases; (B) Magnetic resonance imaging showing a nodular image next to the left axillary vascular-nervous bundle, suggestive of neoplasm.</p>" ] ] 1 => array:8 [ "identificador" => "fig0010" "etiqueta" => "Figure 2" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr2.jpeg" "Alto" => 1317 "Ancho" => 2508 "Tamanyo" => 806944 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0010" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">(A) Neoplasm consisting of basophilic cells, forming well-developed nests and masses that infiltrate the dermis, without affecting the epidermis (Hematoxylin & eosin, ×40 and ×100); (B) Cells with eosinophilic cytoplasm and pleomorphic nuclei, vesicular chromatin (red arrow), evident nucleoli (blue arrows) and frequent atypical mitoses (black arrows); (Hematoxylin & eosin, ×40 and ×100).</p>" ] ] 2 => array:8 [ "identificador" => "fig0015" "etiqueta" => "Figure 3" "tipo" => "MULTIMEDIAFIGURA" "mostrarFloat" => true "mostrarDisplay" => false "figura" => array:1 [ 0 => array:4 [ "imagen" => "gr3.jpeg" "Alto" => 1193 "Ancho" => 2508 "Tamanyo" => 457326 ] ] "detalles" => array:1 [ 0 => array:3 [ "identificador" => "at0015" "detalle" => "Figure " "rol" => "short" ] ] "descripcion" => array:1 [ "en" => "<p id="spar0015" class="elsevierStyleSimplePara elsevierViewall">Immunohistochemistry revealing positive staining for S100 (A) and Melan-A (B).</p>" ] ] ] "bibliografia" => array:2 [ "titulo" => "References" "seccion" => array:1 [ 0 => array:2 [ "identificador" => "bibs0005" "bibliografiaReferencia" => array:5 [ 0 => array:3 [ "identificador" => "bib0005" "etiqueta" => "1" "referencia" => array:1 [ 0 => array:2 [ "contribucion" => array:1 [ 0 => array:2 [ "titulo" => "Amelanotic melanoma" "autores" => array:1 [ 0 => array:2 [ "etal" => false "autores" => array:3 [ 0 => "H.Z. 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| Ano/Mês | Html | Total | |
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| 2024 Novembro | 27 | 12 | 39 |
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