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https://www.readbyqxmd.com/read/28632810/hydralazine-associated-cutaneous-casculitis-presenting-with-aerodigestive-tract-involvement
#1
Laura E Levin, Cynthia Magro, James Horowitz, Joanna Harp
Hydralazine-induced small vessel vasculitis is a rare entity with a limited number of cases reported in the dermatologic literature. A characteristic pattern of acral pseudoembolic vesiculopustules with necrosis and ulceration has been suggested along with involvement of the aerodigestive tract, indicating mucosal involvement is an important feature of this disease. We report the case of a patient with hydralazine-induced vasculitis who exemplified this characteristic presentation associated with severe involvement of the aerodigestive tract and gastrointestinal tract bleeding...
May 2017: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/28628691/eruptive-melanocytic-acral-nevi-in-the-setting-of-6-mercaptopurine-therapy
#2
Arpan V Prabhu, Kristin Bibee, Joseph C English
<p>Eruptive melanocytic nevi (EMN) are a rare clinical finding characterized by sudden-onset nevi that often present in a grouped distribution. They have been associated with chemotherapy, immunosuppression, bullous diseases, and medications including multikinase and BRAF inhibitors. It is important for dermatologists to be able to identify patients with sudden development of new melanocytic nevi secondary to particular medications. Herein, we describe a case of eruptive melanocytic acral nevi secondary to 6-mercaptopurine therapy...
May 1, 2017: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/28627712/acral-dermatofibrosarcoma-protuberans-with-myoid-differentiation-a-report-of-two-cases
#3
Tariq Al-Zaid, Hatim Khoja
Dermatofibrosarcoma protuberans (DFSP) is a low-grade mesenchymal neoplasm with a tendency for local recurrence; it is rarely metastatic. Dermatofibrosarcoma protuberans typically arises in the trunk and proximal extremities. However, it can arise in unusual sites such as the hands and feet. Several variants have been described, including DFSP with myoid differentiation, which is very uncommon. This variant tends to be observed more with the fibrosarcomatous variant, and it can be either in the form of myoid bundles and nodules with no vascular relationship or represent hyperplastic blood vessels within the tumor...
June 19, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28621125/superficial-acral-fibromyxoma-with-cd10-expression-an-underrecognized-feature
#4
Luca Stingeni, Piero Covarelli, Stefano Simonetti, Gian Marco Tomassini, Marta Tramontana, Marco A Tomassini, Leonardo Bianchi
No abstract text is available yet for this article.
August 2017: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/28614212/phosphaturic-mesenchymal-tumors-clinicopathologic-immunohistochemical-and-molecular-analysis-of-22-cases-expanding-their-morphologic-and-immunophenotypic-spectrum
#5
Abbas Agaimy, Michael Michal, Simion Chiosea, Fredrik Petersson, Ladislav Hadravsky, Glenn Kristiansen, Raymund E Horch, Jan Schmolders, Arndt Hartmann, Florian Haller, Michal Michal
Phosphaturic mesenchymal tumor (PMT) is a rare neoplasm of uncertain histogenesis that has been linked to tumor-induced osteomalacia (TIO) since 1959. The neoplastic cells produce increased amount of FGF23 which results in TIO via uncontrolled renal loss of phosphate (phosphaturia), and consequently diminished bone mineralization. To date, ∼300 cases have been reported. Although there is increasing evidence that PMT can be diagnosed by reproducible histopathologic features, firm diagnosis has been often restricted to cases associated with TIO and, hence, diagnosis of "nonphosphaturic variants" remained challenging...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28612128/-vascular-diagnostics-in-peripheral-arteries
#6
REVIEW
C Espinola-Klein, G Weißer
Peripheral artery disease (PAD) is the most frequent cause for reduced perfusion in peripheral arteries. Patients with PAD have often manifestations of atherosclerosis in other vascular territories. Typical symptoms are intermittent claudication or rest pain and acral lesions in patients with critical limb ischemia. The majority of PAD patients are clinically asymptomatic; therefore, it makes sense to screen for PAD in patients with cardiovascular risk factors. The ankle brachial index (ABI) is regarded as an easy and cost-effective method for baseline diagnostics...
June 13, 2017: Der Internist
https://www.readbyqxmd.com/read/28611625/necrolytic-acral-erythema-in-seronegative-hepatitis-c
#7
Ploychompoo Srisuwanwattana, Vasanop Vachiramon
Necrolytic acral erythema (NAE) is a distinctive skin disorder. The exact cause and pathogenesis is still unclear. Most studies report an association of NAE with hepatitis C virus (HCV) infection. We report a 64-year-old woman who presented with chronic mildly pruritic brownish to erythematous rashes on both lateral malleoli for 7 months. The clinical and histopathological findings were compatible with NAE. However, the serologic marker for HCV was negative.
January 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28604932/acral-bullae-in-a-young-girl
#8
Elizabeth Hargroder, Robert M Gathings, Lara Wine Lee
No abstract text is available yet for this article.
June 12, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28598449/clinicopathological-study-of-malignant-melanoma-at-tertiary-care-centre
#9
S Thapa, A Ghosh, D Ghartimagar, T Prasad, R Narasimhan, O Talwar
INTRODUCTION: Malignant melanoma, which causes three fourth of all deaths related to skin cancer, is more common in Caucasian population compared to Asian population. There is no reliable information about malignant melanoma in Nepal hence an effort has been made to assess the clinical and pathological features of melanoma patients. METHODS: This was a retrospective hospital based study done in the department of Pathology. All cases of malignant melanoma diagnosed on biopsy during a period of 13 years were retrieved, reviewed and collated...
January 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28585342/european-consensus-statement-on-phenotypes-of-pustular-psoriasis
#10
REVIEW
Alexander A Navarini, A David Burden, Francesca Capon, Ulrich Mrowietz, Luis Puig, Sulev Köks, Külli Kingo, Catherine Smith, Jonathan N Barker
Pustular psoriasis (PP) is a group of inflammatory skin conditions characterized by infiltration of neutrophil granulocytes in the epidermis to such an extent that clinically visible sterile pustules develop. Because of clinical co-incidence, PP is currently grouped with psoriasis vulgaris (PV). However, PP and PV are phenotypically different, respond differently to treatments, and seem to be distinct on the genetic level. In contrast to PV, the phenotypes of PP are not well defined. Descriptions of each form of PP are discordant among standard dermatology textbooks [1-5], encumbering the collection of phenotypically well-matched groups of patients as well as clinical trials...
June 6, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28577153/tumor-infiltrating-lymphocytes-in-acral-lentiginous-melanoma-a-study-of-a-large-cohort-of-cases-from-latin-america
#11
C A Castaneda, C Torres-Cabala, M Castillo, V Villegas, S Casavilca, L Cano, J Sanchez, J Dunstan, G Calderon, M De La Cruz, J M Cotrina, H L Gomez, R Galvez, J Abugattas
PURPOSE: Acral lentiginous melanoma (ALM) is a poor prognosis subtype and is the most prevalent in non-Caucasian populations. The presence of tumor infiltrating lymphocytes (TILs) has been associated with poor prognosis in melanoma. A large cohort of ALM cases was studied to determine status of TIL and its association with outcome. METHODS: All patients with cutaneous melanoma presenting from 2005 to 2012 at Instituto Nacional de Enfermedades Neoplasicas in Peru were retrospectively identified...
June 2, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28574975/a-prognostic-model-for-resectable-acral-melanoma-patients-on-the-basis-of-preoperative-inflammatory-markers
#12
Yao Wang, Xi-Zhi Wen, Hong-Jun Ba, Dan-Dan Li, Ya Ding, Ke-Feng Wang, Jing-Jing Li, Xiao-Shi Zhang
Acral melanoma is a rare disease, but is common in Asia. Knowledge of its prognostic indicators is limited. Growing evidence indicates that inflammation plays a critical role in the development and progression of acral melanoma. We developed a novel prognostic model on the basis of preoperative inflammatory markers and examined its prognostic value in a cohort of patients. This retrospective study included 232 acral melanoma patients who underwent radical surgical resection between 2000 and 2010 at the Sun Yat-sen University Cancer Center...
June 1, 2017: Melanoma Research
https://www.readbyqxmd.com/read/28567312/intracorneal-hematoma-showing-clinical-and-dermoscopic-features-of-acral-lentiginous-melanoma
#13
Ugur Uslu, Franz Heppt, Michael Erdmann
Intra- and subcorneal hematoma, a skin alteration seen palmar and plantar after trauma or physical exercise, can be challenging to distinguish from in situ or invasive acral lentiginous melanoma. Thus, careful examination including dermoscopic and histologic assessment may be necessary to make the correct diagnosis. We here present a case of a 67-year-old healthy female patient who presented with a pigmented plantar skin alteration. Differential diagnoses included benign skin lesions, for example, hematoma or melanocytic nevus, and also acral lentiginous melanoma or melanoma in situ...
2017: Case Reports in Dermatological Medicine
https://www.readbyqxmd.com/read/28567291/pachydermoperiostosis-a-rare-mimicker-of-acromegaly
#14
Noor Rafhati Adyani Abdullah, Wong Lok Chin Jason, Azraai Bahari Nasruddin
Pachydermoperiostosis is a very rare osteoarthrodermopathic disorder whose clinical and radiographic presentations may mimic those of acromegaly. In the evaluation of patients with acromegaloid appearances, pachydermoperiostosis should be considered as a differential diagnosis. In this article, we report a 17-year-old boy who presented with 2-year history of acral enlargement and facial appearance changes associated with joint pain and excessive sweating. He had been investigated extensively for acromegaly, and the final diagnosis was pachydermoperiostosis...
2017: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/28566912/eccrine-squamous-syringometaplasia-associated-with-pelubiprofen-therapy
#15
Joon Won Huh, Mingyul Jo, Jisook Yoo, Min Soo Kim, Kwang-Hyun Choi, Hyang-Joon Park, Mihn-Sook Jue
Eccrine squamous syringometaplasia (ESS) is a histologically distinctive skin eruption occurring predominantly in acral or intertriginous areas presenting as erythematous macules, papules or patches. The etiology of ESS remains unclear, but it is usually reported in patients receiving chemotherapy for various malignant neoplasms. To date, only two cases of ESS associated with non-steroidal anti-inflammatory drugs (NSAIDs), which has distinctive clinical features and pathogenesis, have been reported in the literature...
June 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28566910/acral-lentiginous-melanoma-indolent-subtype-diagnosed-by-en-bloc-excision-a-case-report
#16
Jungyoon Ohn, Jeong Mo Bae, Ji Soo Lim, Jong Seo Park, Hyun-Sun Yoon, Soyun Cho, Hyun-Sun Park
Nail unit melanoma is a type of acral lentiginous melanoma and requires histopathologic examination for a confirmed diagnosis. However, inadequate biopsy techniques make definitive diagnosis difficult. A 61-year-old man presented with progressive nail pigmentation for 15 years, which was clinically highly suspicious for malignancy. Acral lentiginous melanoma was not detected in punch and longitudinal biopsy specimens, but en bloc excision tissue revealed melanoma. Acral lentiginous melanoma is known to have a heterogeneous pathologic manifestation depending on the pigmented region and the time it takes to progress...
June 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28565919/age-and-anatomical-location-related-dermoscopic-patterns-of-210-acral-melanocytic-nevi-in-a-turkish-population
#17
Nazan Emiroglu, Fatma Pelin Cengiz, Nahide Onsun
BACKGROUND: Dermoscopy is a useful tool for earlier diagnosis and differentiating benign lesions from melanoma. OBJECTIVES: We aim to investigate dermoscopic features of acral nevi, age, and localisation-related findings of these lesions. METHODS: This was an observational, descriptive study. Patients were retrospectively collected from the Department of Dermatology. The patients with acral nevi were included in the study. Inclusion criteria were Turkish nationality and the presence of at least 1 acral nevus diagnosed both clinically and dermoscopically...
May 1, 2017: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/28543709/acral-plexiform-palisaded-encapsulated-neuromas-as-the-initial-cutaneous-manifestation-of-cowden-syndrome
#18
Elizabeth Harris, Adnan Mir
Cowden syndrome (CS) is an autosomal dominant genodermatosis associated with characteristic mucocutaneous findings of facial trichilemmomas, palmoplantar keratoses, sclerotic fibromas, and oral papillomas. Mucocutaneous neuromas have also been reported in association with CS. We describe a patient with CS whose sole cutaneous finding was palisaded encapsulated neuromas (PENs) with a plexiform growth pattern in an acral location. Along with previous reports, this case suggests that acral plexiform PENs may be an early, highly specific finding in CS and highlights the importance of screening these patients for PTEN mutation...
May 23, 2017: Pediatric Dermatology
https://www.readbyqxmd.com/read/28543665/immunohistochemical-evaluation-of-epidermal-proliferation-differentiation-and-melanocytic-density-in-symmetrical-acrokeratoderma
#19
P-P Yang, J Peng, Y-Y Wu, Z Liu, P Sheng, Y Zhou, S-J Li, Y-M Fan
BACKGROUND: Symmetrical acrokeratoderma (SAK) is characterized by brown to black hyperkeratotic patches on acral regions. Although epidermal hyperkeratosis and acanthosis are consistent pathological changes, the nature of epidermal hyperplasia is unknown. AIM: To evaluate epidermal proliferation and differentiation and melanocytic density in skin lesions of SAK. METHODS: Expression of keratin 10 (K10), K14, K16, involucrin, filaggrin, Ki-67, and Melan-A was detected by immunohistochemistry in eight patients with SAK, seven patients with ichthyosis vulgaris (IV) and six healthy controls (HCs)...
May 22, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28522055/acral-lesions-with-an-underlying-internal-malignancy
#20
Gabriela Botta, Jorge Navarrete, Lucía Sanjinés, María Mazzei, Caroline Agorio
No abstract text is available yet for this article.
June 2017: Journal of the American Academy of Dermatology
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