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https://www.readbyqxmd.com/read/29665030/dermatologic-toxicity-from-novel-therapy-using-antimicrobial-peptide-ll-37-in-melanoma-a-detailed-examination-of-the-clinicopathologic-features
#1
Tsetan Dolkar, Celestine M Trinidad, Kelly C Nelson, Rodabe N Amaria, Priyadharsini Nagarajan, Carlos A Torres-Cabala, Doina Ivan, Victor G Prieto, Michael T Tetzlaff, Jonathan L Curry, Phyu P Aung
LL-37 is a naturally occurring 37-amino acid that is part of innate immunity in human skin. Preclinical studies have demonstrated that intra-tumoral injections of LL-37 stimulate the innate immune system by activation of plasmacytoid dendritic cells, which mediate tumor destruction. LL-37 intra-tumoral injections have been utilized in a Phase 1 clinical trial for melanoma patients with cutaneous metastases. We report dermatologic toxicity in a 63-year-old woman with stage IIIC melanoma of the right calf and inguinal lymph nodes...
April 17, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29663317/atrophic-scar-formation-in-acne-patients-involves-long-acting-immune-responses-with-plasma-cells-and-alteration-of-sebaceous-glands
#2
I Carlavan, B Bertino, M Rivier, P Martel, V Bourdes, M Motte, S Déret, P Reiniche, C Menigot, A Khammari, B Dreno, P Fogel, J J Voegel
BACKGROUND: Possible outcomes of acne lesions are atrophic scars which may cause serious psychological distress. Current treatments of post-acne scarring often require invasive procedures. Pathophysiological studies on acne scarring investigated only the first week of papule life. OBJECTIVES: Study the pathophysiology of atrophic scar formation to identify molecular and cellular pathways that can lead to new therapies for the prevention of acne scarring. METHODS: Large-scale gene expression profiling and immunohistochemistry analysis were performed on uninvolved skin and papules in both, scar-prone (SP) and non-scar-prone (NSP) acne patients, at different time points...
April 16, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29661476/cutaneous-presentation-of-adult-t-cell-leukemia-lymphoma-atll-single-center-study-on-37-patients-in-metropolitan-france-between-1996-and-2016
#3
C Hurabielle, M Battistella, C Ram-Wolff, C Fite, V Meignin, J Rivet, M-D Vignon-Pennamen, T de Risi-Pugliese, E Raffoux, B Arnulf, E Oksenhendler, F Sicre de Fontbrune, R Peffault de Latour, G Socié, J-D Bouaziz, C Lebbé, A Bensussan, M Bagot
INTRODUCTION: Adult T-cell leukemia/lymphoma (ATLL) is a hematological malignancy associated with chronic HTLV-1 infection. AIM: To describe skin lesions in ATLL. METHODS: A descriptive, retrospective study between 1996 and 2016, including all patients diagnosed with ATLL at Saint-Louis Hospital (Paris, France). RESULTS: Thirty-seven ATLL patients were included. Fifteen patients (41%) had a cutaneous localization of the disease, which was present from the beginning of the disease for two thirds of them...
April 13, 2018: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/29649008/disseminated-granulomatous-perifollicular-dermatosis-with-comedones-a-follicular-variant-of-lichen-nitidus-or-a-new-entity
#4
Gustavo Deza, Fernando Gallardo, Carlos Barranco, Laura Marquès, Ramon M Pujol
The presence of acquired generalized keratotic follicular papules and comedones developing in adulthood constitute an uncommon clinical situation. Although this clinical presentation has been described in several noninflammatory, inflammatory, and neoplastic skin disorders, its association with an exclusive perifollicular epitheliod or granulomatous inflammatory reaction represents an exceedingly rare phenomenon. We report a case of a 57-year-old male patient presenting clinically numerous acquired disseminated follicular papules and comedones, showing isolated perifollicular sarcoid-like granulomatous inflammatory infiltrates at the histological examination...
April 11, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29630157/an-intensely-pruritic-pebbled-presentation
#5
Livia Francine Soriano, Conn McGrath, Mark Hawthorne, Arucha Linda Ekeowa-Anderson
Lichen amyloidosis (LA) is a form of primary localized cutaneous amyloidosis (PLCA) characterized by bilateral intensely itchy domed scaly hyperkeratotic papules. Lichen amyloidosis is rare and affects men more than women. It is uncommonly seen in the western world but more prevalent in Asia. These papules most typically affect the shins and occasionally the arms and torso. Lichen amyloidosis has been reported in association with autoimmune disorders and after prolonged exfoliation and friction of affected skin...
March 7, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/29624716/oral-juvenile-xanthogranuloma-in-a-child-clinical-histological-and-immunohistochemical-profile-of-a-rare-entity
#6
Celeste Sánchez-Romero, Ana Isabel Cuenca Arriaga, Oslei Paes de Almeida, Evangelina Gutiérrez Cortés
Juvenile Xanthogranuloma (JXG) is a non-Langerhans cell histiocytosis (non-LCH) affecting normolipemic infants and children most frequently in the first year of life, often showing spontaneous regression within 3 to 6 years. Classic JXG is characterized by a yellowish asymptomatic papule or nodule, often located in the skin of the head, neck and upper trunk. Oral JXG have been reported, but is rare. Histologically JXG is composed mainly by an infiltrate of macrophages with a variable degree of lipidization (foamy macrophages), and (most of the times) scattered Touton type giant cells...
April 6, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29621879/recurrent-indeterminate-dendritic-cell-tumor-of-the-skin
#7
Jin Woo Joo, Taek Chung, Yoon Ah Cho, Sang Kyum Kim
Indeterminate dendritic cell tumor (IDCT) is a dendritic cell tumor that displays histologic features similar to those of Langerhans cells. The origin of the indeterminate cells may represent precursors of Langerhans cells or skin dendritic cells. IDCT is extremely rare, and tumor progression and predictive factors are not well known. Here, we report a case of a 61-year-old man who presented with a papule on his back and was finally diagnosed with IDCT based on histology and immunohistochemistry. The tumor recurred months after surgical excision...
April 5, 2018: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/29607000/basaloid-follicular-hamartoma-a-case-report-and-a-novel-cosmetic-treatment
#8
Kelly Segars, Hassie Cooper, Daniel J Hogan, Richard Miller, Michael Heaphy, James Spencer
Introduction: Basaloid follicular hamartoma (BFH) is a rare, benign neoplasm of the hair follicle, characterized by multiple brown papules involving the face, scalp, and trunk. It is described by multiple clinical forms, and can present as localized or generalized. Diagnosis is made histologically via biopsy, which is important in order to distinguish BFH from basal cell carcinoma (BCC) or other malignant epithelial neoplasms. Correct diagnosis allows for the avoidance of unnecessary surgeries to remove benign lesions...
March 2018: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29606946/the-importance-of-excluding-cutaneous-t-cell-lymphomas-in-patients-with-a-working-diagnosis-of-papuloerythroderma-of-ofuji-a-case-series
#9
Anthony M Maher, Chloé E Ward, Steven Glassman, Ivan V Litvinov
Papuloerythroderma of Ofuji (PEO) is an erythroderma-like eruption with flat-topped papules that spare the skin folds (a "deck-chair sign" finding). Many infections, medications, and systemic diseases have been associated with PEO, including cutaneous T-cell lymphomas (CTCL). The relationship between the clinical presentation of PEO and CTCL remains poorly elucidated. Clinical, laboratory, and histopathological data were obtained from the Lymphoma Clinic at the Ottawa Hospital, Canada. We report 5 patients with deck-chair-sign-positive CTCL, mycosis fungoides, and Sézary syndrome variants...
January 2018: Case Reports in Dermatology
https://www.readbyqxmd.com/read/29606120/angiolymphoid-hyperplasia-with-eosinophilia-a-case-report
#10
Alexey Youssef, Ali Ramez Hasan, Youssef Youssef, Lina Al-Soufi, Yahya Elshimali, Zuheir Alshehabi
BACKGROUND: Angiolymphoid hyperplasia with eosinophilia is a benign neoplasm that includes blood vessel proliferation and a dense eosinophilic inflammatory infiltrate. Mostly, it affects middle-aged adults manifesting as flesh/plum-colored pruritic nodules and papules, most commonly affecting the ear and the periauricular area. CASE PRESENTATION: In this case, we report a 13-year-old Caucasian girl with bilateral, huge, protruding, and yellowish nostril masses which were peculiar in location and of gross appearance...
April 2, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29598991/erythematous-pedunculated-papule-on-the-knee
#11
M C García Del Pozo, C Martín de Hijas, L Iñíguez
No abstract text is available yet for this article.
March 26, 2018: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/29589644/congenital-atrichia-with-papular-lesions-a-rare-cause-of-irreversible-childhood-alopecia
#12
Tasleem Arif, Mohammad Adil, Syed Suhail Amin
Congenital atrichia with papular lesions (APL) is a disease characterized by the complete absence of hair from the whole body occurring within a few months of birth and the presence of papules distributed over the body. A 9-year-old boy presented with sparse hair over his body and with a history of losing his hair soon after birth. Multiple skin-colored papules were observed over the scalp. A biopsy from a papule showed keratinous cysts in the dermis and the absence of hair follicles. A diagnosis of congenital APL was made after vitamin D-dependent rickets was excluded...
March 2018: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
https://www.readbyqxmd.com/read/29589642/inflamed-bilateral-linear-atrophoderma-of-moulin-in-an-adult-woman-a-case-report
#13
Yesim Akpinar Kara, Evren Sarifakioglu
Linear atrophoderma of Moulin (LAM) is a rare dermatosis characterized by a hyperpigmented atrophoderma that follows Blaschko's lines, with onset usually occurring during childhood and adolescence. LAM is an etiologically unknown form of dermal atrophy. It is generally characterized by oval or round atrophic, nonsclerotic, hyperpigmented patches following Blaschko's lines. These patches are usually located on the trunk and the upper and lower extremities. This case study discusses a patient that had the nonclassical form of LAM with the initial lesions presenting as papules...
March 2018: Acta Dermatovenerologica Alpina, Panonica, et Adriatica
https://www.readbyqxmd.com/read/29587518/prospective-controlled-trial-for-the-treatment-of-acne-keloidalis-nuchae-with-a-long-pulsed-neodymium-doped-yttrium-aluminum-garnet-laser
#14
Denise K Woo, German Treyger, Marsha Henderson, Richard H Huggins, Diane Jackson-Richards, Iltefat Hamzavi
BACKGROUND: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis with limited interventions of both high efficacy and low morbidity. OBJECTIVE: To assess the efficacy of the long-pulsed 1064-nm neodymium-doped yttrium-aluminum-garnet (Nd:YAG) laser and topical steroids as a treatment for AKN compared to topical steroids alone. METHODS: We conducted a single-blinded, randomised, within-patient right-left controlled trial (n = 13)...
March 2018: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29578299/painful-grouped-erythematous-papules-in-a-segmental-distribution
#15
Stephanie Nagel, Mirjana Ziemer, Manfred Kunz
No abstract text is available yet for this article.
March 26, 2018: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/29575222/use-of-a-disposable-ear-speculum-an-alternative-technique-for-molluscum-contagiosum-curettage
#16
Virginie Kelly, Jerome Coulombe, Isabelle Lavoie
Molluscum contagiosum is a common contagious disease in children characterized by small skin-colored umbilicated papules. Although spontaneous resolution is common, many parents and patients seek treatment. Multiple therapeutic modalities have been described. We present an easy, safe, caregiver-friendly, modified curettage technique using an ear speculum.
March 25, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29575067/white-spiky-papules-on-face-of-a-6-year-old-child
#17
Tuğba K Uzunçakmak, Ayse Serap Karadag, Bengu Cobanoglu, Ayse Esra Aksu Koku, Necmettin Akdeniz
No abstract text is available yet for this article.
March 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29571300/erythroderma-and-extensive-poikiloderma-a-rare-initial-presentation-of-dermatomyositis-a-case-report
#18
H M M T B Herath, B S D P Keragala, S P Pahalagamage, G H C C Janappriya, Aruna Kulatunga, C N Gunasekera
BACKGROUND: Dermatomyositis is a humoral-mediated inflammatory myopathy with symmetrical proximal muscle weakness and dermatological manifestations such as Gottron's papules, heliotrope rash, periungual abnormalities, and flagellate erythema. Erythroderma is a severe and potentially life-threatening dermatological condition with diffuse erythema and scaling involving more than 90% of the skin surface area. Poikiloderma vasculare atrophicans refers to mottled hyperpigmentation and hypopigmentation of the skin with in-between telangiectases and areas of atrophy and is considered a variant of mycosis fungoides...
March 24, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29570131/painful-piezogenic-pedal-papules-in-a-female-babysitter-a-case-based-review
#19
Ze-Xin Jiang, Guo-Zhen Tan, Bo-You Li, Liangchun Wang, Xi-Qing Li
No abstract text is available yet for this article.
March 21, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29568995/-chronic-prurigo
#20
M P Pereira, T Nau, C Zeidler, S Ständer
Chronic prurigo is a disease characterized by the presence of chronic pruritus and singular or multiple usually hyperkeratotic symmetrically distributed itchy papules, nodules, and/or plaques. This condition is difficult to treat and leads to a substantial impairment of the quality of life. It may originate from dermatological, systemic, neurological, psychiatric/psychosomatic, multifactorial or unknown conditions causing itch, which lead to prolonged scratching behavior and sensitization mechanisms and ultimately to the development of pruriginous lesions...
March 22, 2018: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
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