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Dermatopathology

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https://www.readbyqxmd.com/read/28210712/identification-of-an-epidermal-keratinocyte-ampa-glutamate-receptor-involved-in-dermatopathies-associated-with-sensory-abnormalities
#1
David Cabañero, Takeshi Irie, Marta Celorrio, Christopher Trousdale, David M Owens, David Virley, Phillip J Albrecht, Michael J Caterina, Frank L Rice, Jose A Morón
INTRODUCTION: Epidermal keratinocytes are increasingly recognized as active participants in the sensory transduction of itch and pain, processes known to involve primary afferent glutamatergic neurons. However the role of keratinocyte glutamate signaling in sensory functioning is not fully understood. Here, we present the observation of α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid type glutamate receptors (AMPAR) in epidermal keratinocytes. METHODS: Immunohistochemical and in situ hybridization analyses were conducted to assess the expression of AMPAR subunits in epidermal keratinocytes in mouse and human skin samples, and in organotypic cultures of human keratinocytes...
September 2016: Pain Reports (Baltimore, Md.)
https://www.readbyqxmd.com/read/28210381/practical-and-sustainable-teledermatology-and-teledermatopathology-specialty-care-in-cameroon-africa
#2
Anne Nguyen, Donna Tran, Mason Uemura, Richard L Bardin, Paul K Shitabata
Teledermatology is a rapidly expanding niche within telemedicine still in its infancy. It has become increasingly more feasible in recent years with the expansion of information and communication technologies. Here, the authors present the details of their collaboration and propose a model for constructing a teledermatology network. In the year 2014, the authors' Dermatopathology institute in Torrance, California, partnered with Mbingo Baptist Hospital, a tertiary referral center in Cameroon, Africa. During this time, 145 cases were received...
January 2017: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/28196283/detection-of-human-parvovirus-b19-dna-in-22-of-1-815-cutaneous-biopsies-of-a-wide-variety-of-dermatologic-conditions-suggests-viral-persistence-after-primary-infection-and-casts-doubts-on-its-pathogenic-significance
#3
C Santonja, A Santos-Briz, G Palmedo, H Kutzner, L Requena
BACKGROUND: Human parvovirus B19 (B19V) has been associated with a number of dermatologic and systemic conditions, including myocarditis and autoimmune syndromes. OBJECTIVES: To determine the frequency of B19V deoxyribonucleic acid (DNA) detection in a large dermatopathology practice, and to characterize the histopathologic patterns involved. METHODS: We selected for polymerase chain reaction (PCR) detection of B19V a total of 1,815 skin biopsies pertaining to entities allegedly related to Parvovirus B19, as well as cases suspected clinically of representing paraviral exanthemas...
February 14, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28169868/commentary-to-the-article-a-rare-collision-in-dermatopathology-basal-cell-carcinoma-and-atypical-fibroxanthoma
#4
Rubina Alves, Juan Ocaña, Esmeralda Vale, Isabel Viana
No abstract text is available yet for this article.
February 2, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28151765/necrotizing-soft-tissue-infection-or-sweet-syndrome-surgery-versus-no-surgery-a-case-report
#5
Tiffany M N Otero, Samuel R Barber, D Dante Yeh, Sadeq A Quraishi
The authors report a case of necrotizing Sweet syndrome in a 24-year-old transsexual male who presented with recurrent myonecrosis of the neck/upper chest. On index admission, computer tomography revealed gas and fat stranding of the sternocleidomastoid and pectoralis major muscle-findings suggestive of a necrotizing soft tissue infection. Despite debridement procedures and intravenous antibiotic therapy, myonecrosis of the affected areas persisted. Evaluation of tissue samples by dermatopathology revealed neutrophilic infiltration extending into the dermis and muscle necrosis, findings consistent with necrotizing Sweet syndrome...
February 1, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28140531/dermatopathology-101-part-1-inflammatory-skin-diseases
#6
Julia Liersch, Amelie von Köckritz, Jörg Schaller
Dermatopathology is an indispensable tool in the diagnostic workup of inflammatory and neoplastic lesions. For the dermatologist in everyday clinical practice, basic knowledge of dermatopathology is highly valuable, as it allows for proper classification and interpretation of histological findings, as well as their correlation with the clinical picture (especially in case of inflammatory skin diseases). Such basic understanding is also important with regard to selecting the appropriate biopsy technique, thus increasing the overall diagnostic quality...
January 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28134911/dermatopathology
#7
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
https://www.readbyqxmd.com/read/28134867/dermatopathology
#8
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28116782/primary-cutaneous-diffuse-large-b-cell-lymphoma-presenting-as-chronic-non-healing-ulcer
#9
Victoria L Billero, Charlotte E LaSenna, Marco Romanelli, Alessio Giubellino, Robert A Brenes, Paolo Romanelli
Primary cutaneous diffuse large B-cell lymphoma is an uncommon and aggressive lymphoproliferative disorder with a rapid growth rate and dismal prognosis. We present the case of a 91-year-old female with an unusual manifestation of primary cutaneous diffuse large B-cell lymphoma, mimicking other more prevalent diseases like chronic non-healing venous ulceration. Dermatopathologic evaluation rendered the correct diagnosis. A discussion of this rare presentation is important for clinician consideration to prevent misdiagnosis and prolongation of proper management in patients with chronic non-healing leg ulcers...
January 24, 2017: International Wound Journal
https://www.readbyqxmd.com/read/28040330/quality-assurance-of-anatomic-pathology-diagnoses-comparison-of-alternate-approaches
#10
Lester J Layfield, Shellaine R Frazier
OBJECTIVES: Traditionally, a 10% review has been the basis for quality assurance programs in anatomic pathology. The effectiveness of such reviews has been questioned and alternative methodologies suggested. The study investigates the error detection rates for four quality assurance protocols. METHODS: The detection rate for diagnostic errors in surgical pathology was calculated over a one year period using four different review procedures comprising: random 10% review, correlation of internal and external diagnoses following solicited external expert opinion, correlation of internal diagnoses with outside diagnoses in cases sent for review at a second institution treating the patient along with a focused review of dermatopathology cases over a 3 month period...
November 11, 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28039770/body-mass-index-height-and-early-onset-basal-cell-carcinoma-in-a-case-control-study
#11
Yanchang Zhang, Brenda Cartmel, Courtney C Choy, Annette M Molinaro, David J Leffell, Allen E Bale, Susan T Mayne, Leah M Ferrucci
INTRODUCTION: Basal cell carcinoma (BCC) is the most common malignancy in the US. Body mass index (BMI) and height have been associated with a variety of cancer types, yet the evidence regarding BCC is limited. Therefore, we evaluated BMI and height in relation to early-onset BCC (under age 40) and explored the potential role of ultraviolet (UV) radiation exposure and estrogen-related exposures in the BMI-BCC relationship. METHODS: BCC cases (n=377) were identified through a central dermatopathology facility in Connecticut...
February 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28033156/tubulopapillary-cystic-adenoma-with-apocrine-differentiation-a-unifying-concept-for-syringocystadenoma-papilliferum-apocrine-gland-cyst-and-tubular-papillary-adenoma
#12
Shin-Ichi Ansai, Takashi Anan, Takaya Fukumoto, Hidehisa Saeki
Syringocystadenoma papilliferum (SCAP), apocrine gland cyst (AGC, also called apocrine hidrocystoma or apocrine cystadenoma), and tubular papillary adenoma (TPA) with apocrine differentiation are defined as proliferations of apocrine epithelium with myoepithelial cells. At Sapporo Dermatopathology Institute, we retrieved 308 benign neoplastic lesions diagnosed as SCAP, AGC, or TPA and combinations of these entities. Among the 308 lesions, 202 (66%) exhibited features of only one type, of which 144 (47%) were AGC, 39 (13%) were TPA, and 19 (6%) were SCAP...
December 28, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28030717/pathologic-evaluation-of-skin-tumors-with-ex-vivo-dermoscopy-with-derm-dotting
#13
Marc Haspeslagh, Isabelle Hoorens, Nele Degryse, Ine De Wispelaere, Annemarie Degroote, Sarah Van Belle, Jan Verboven, Katrien Vossaert, Fabio Facchetti, Jo Van Dorpe, Sofie De Schepper, Lieve Brochez
Importance: Ex vivo dermoscopy (EVD) with derm dotting (DD) improves clinicopathologic correlation and the quality of diagnosis in skin tumors. Objective: To compare the diagnostic performance of the standard method of skin biopsy processing with the practice of EVD with DD. Design, Setting, and Participants: This retrospective study compares the diagnostic performance in 6526 skin biopsy specimens examined from 2008 to 2010 with a standard method of processing with 8584 biopsy specimens examined in 2015 with EVD and DD...
December 28, 2016: JAMA Dermatology
https://www.readbyqxmd.com/read/28028116/measures-of-completeness-and-accuracy-of-clinical-information-in-skin-biopsy-requisition-forms-an-analysis-of-249-cases
#14
Ryan C Romano, Paul J Novotny, Jeff A Sloan, Nneka I Comfere
OBJECTIVES: To define indices of completeness and accuracy of clinical information in the skin biopsy requisition form (RF) and correlate them with health care delivery outcomes and pathology service utilization. METHODS: RFs in our pathology information system were reviewed and assessed for the presence of 10 clinical elements considered critical for dermatopathologic diagnosis. Accuracy was determined by reviewing corresponding clinical notes. RESULTS: In total, 249 RFs were reviewed...
December 2016: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28002099/achille-civatte-a-master-of-the-microscope
#15
Jannett Nguyen, Dorota Z Korta
Achille Civatte (1877-1956) was one of the most highly regarded dermatologists of the 20th century. We provide a succinct account of Civatte's academic life and contributions to the field of dermatopathology, in addition to briefly discussing his son, Jean Civatte, who himself became a highly regarded dermatologist.
December 19, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27991691/morphology-of-rare-exogenous-materials-in-dermatopathology
#16
Angel Fernández-Flores
Dermatopathologists are occasionally challenged by exogenous materials found in their biopsies. Recognition of most of the structures and morphological parts of foreign materials is not always easy because most of the literature thus far has focused on the study of the histological and histopathological aspects of human tissues, as well as on the granulomatous response elicited by such foreign bodies. However, there are some cases of rare exogenous material in biopsies, mainly published as case reports; and dermatopathologists often lose precious time searching for information about such cases...
March 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27990395/dermatopathology-quiz-keratotic-papules-of-the-palms
#17
Alex Flamm, Qiang Xie, Dennis C Polley, Lana Vanstory, Dirk M Elston
No abstract text is available yet for this article.
November 2016: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/27892931/the-influence-of-tumor-regression-solar-elastosis-and-patient-age-on-pathologists-interpretation-of-melanocytic-skin-lesions
#18
Linda Titus, Raymond L Barnhill, Jason P Lott, Michael W Piepkorn, David E Elder, Paul D Frederick, Heidi D Nelson, Patricia A Carney, Stevan R Knezevich, Martin A Weinstock, Joann G Elmore
It is not known whether patient age or tumor characteristics such as tumor regression or solar elastosis influence pathologists' interpretation of melanocytic skin lesions (MSLs). We undertook a study to determine the influence of these factors, and to explore pathologist's characteristics associated with the direction of diagnosis. To meet our objective, we designed a cross-sectional survey study of pathologists' clinical practices and perceptions. Pathologists were recruited from diverse practices in 10 states in the United States...
February 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27859475/correlation-between-histopathologic-features-and-likelihood-of-identifying-superficial-dermatophytosis-with-periodic-acid-schiff-diastase-staining-a-cohort-study
#19
Michael Z Wang, Ruifeng Guo, Julia S Lehman
BACKGROUND: Periodic acid Schiff-diastase (PAS-D) staining is used routinely in dermatopathology. Conventionally, parakeratosis or intracorneal neutrophils justify use of PAS-D stain to identify dermatophytosis. We aimed to investigate the histopathological features of superficial dermatophytosis. METHODS: Skin biopsies with PAS-D stain were retrospectively reviewed by a blinded dermatopathologist. Histopathologic findings in cases with dermatophytosis were compared with those without...
February 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/27836252/clinicopathological-study-of-47-cases-of-sebaceoma
#20
F Bourlond, C Velter, B Cribier
BACKGROUND: Sebaceoma is a rare and poorly understood form of sebaceous tumour, and it is of great significance since it may reveal Muir-Torre syndrome (MTS). Herein, we present a series of cases with details of the histopathological appearance. PATIENTS AND METHODS: We examined records of cases labelled as sebaceous tumour recorded at the Strasbourg Dermatopathology Laboratory between 1991 and 2015. We include cases of benign sebaceous tumour predominantly involving immature basophilic cells...
December 2016: Annales de Dermatologie et de Vénéréologie
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