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https://www.readbyqxmd.com/read/28886809/detection-of-genetic-aberrations-in-the-assessment-and-prognosis-of-melanoma
#1
REVIEW
Whitney A High
The assessment of melanoma by light microscopy with hematoxylin-eosin staining remains an often subjective process. However, there are additional diagnostic measures that may be of utility, such as immunohistochemical staining and genetic evaluation. Adjunctive genetic assessment to augment the diagnosis of melanoma includes comparative genomic hybridization or fluorescent in situ hybridization to assess for gains or losses in genetic material, or gene expression profiling in some form, to ascertain the expression of genes associated with malignancy...
October 2017: Dermatologic Clinics
https://www.readbyqxmd.com/read/28879380/-report-on-the-dermatopathology-working-group-meeting-101st-anniversary-of-the-dgp-erlangen-24-06-2017
#2
P Meister
No abstract text is available yet for this article.
September 6, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28862772/parallel-ridge-dermoscopic-pattern-in-plantar-atypical-spitz-nevus
#3
R Jurakić Tončić, M Bradamante, G Ferrara, D Štulhofer-Buzina, M Petković, G Argenziano
Clinicopathological classification, diagnosis and management of spitzoid melanocytic lesion presents one of the most intriguing issues in dermatopathology (1,2). No single clinicopathological feature can offer reliable differentiation of Spitz nevus and melanoma. Although not all the experts agree with the concept of Spitzoid neoplasms as a morpho-biological spectrum, there is a four-tiered classification system proposed by Da Forno et al. and encompassing: 1) Spitz nevus; 2) atypical Spitz nevus; 3) (atypical) Spitz tumor; 4) Spitzoid melanoma (1,3)...
September 1, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28841778/dermatopathology-101-part-2-skin-tumors
#4
Julia Liersch, Amelie von Köckritz, Jörg Schaller
The present CME article highlights fundamental aspects with respect to the histopathology of the most common skin tumors (epidermal, adnexal, melanocytic, and mesenchymal), their laboratory workup, as well as the importance of supplementary immunohistochemical and molecular studies. The information provided is meant to assist experienced clinicians in choosing the correct biopsy technique and in interpreting dermatopathology reports, and to provide dermatology residents with a better understanding of dermatopathology...
September 2017: Journal der Deutschen Dermatologischen Gesellschaft, Journal of the German Society of Dermatology: JDDG
https://www.readbyqxmd.com/read/28816739/nicolau-syndrome-embolia-cutis-medicamentosa-a-rare-and-poorly-recognized-iatrogenic-cause-of-cutaneous-thrombotic-vasculopathy
#5
Dominic Tabor, Chandra G Bertram, Andrew J K Williams, Marie E Mathers, Asok Biswas
Nicolau syndrome is a rare form of iatrogenic cutaneous necrosis which affects injection sites. Although classically associated with intramuscular injections, it may develop after subcutaneous or other routes of parenteral drug administration. Clinically, it manifests as necrotic ulcers that often develop in a background of erythematous and livedoid reticular patches. The histopathologic characteristics of Nicolau syndrome are poorly documented in the dermatopathology literature and features only rarely as one of the obscure causes of cutaneous thrombotic vasculopathy...
August 8, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28802506/inflammatory-dermatopathology-for-general-surgical-pathologists
#6
REVIEW
Emily H Smith, May P Chan
Owing to the wide variety and complexity of inflammatory skin diseases, inflammatory dermatopathology can be a challenging topic for dermatopathologists and general surgical pathologists alike. Following a basic tissue reaction pattern approach, this article reviews the most common and important entities of each pattern, with emphasis on differential diagnosis, diagnostic pitfalls, and appropriate workup when indicated. A few dermatologic emergencies are also discussed.
September 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28796693/enhanced-worldwide-dermatology-pathology-interaction-via-facebook-twitter-and-other-social-media-platforms
#7
Bhushan Madke, Jerad M Gardner
The practice of dermatopathology requires close interaction between dermatologists and dermatopathologists. Yet, in many areas of the developing world, dermatologists lack easy access to pathologists with expertise in skin disease. Twitter, Facebook, and other social media provide free powerful tools that enhance interaction between dermatology and pathology regardless of geographic barriers. Although there are some limitations, the immense potential benefits that social media unlocks for patient care, education, research, and networking cannot be overstated...
August 3, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28796379/review-of-the-current-medical-literature-and-assessment-of-current-utilization-patterns-regarding-human-papillomavirus-in-situ-hybridization-and-immunohistochemistry-in-dermatopathology
#8
REVIEW
Brandon R Litzner, Jason B Lee, Claudia I Vidal
Human papillomaviruses have been implicated in many cutaneous diseases. Practicing dermatopathologists often consider using immunohistochemistry and in situ hybridization to help clarify the histologic diagnosis, particularly in cases with borderline or non-diagnostic features. We reviewed the current evidence behind the use of these two techniques in dermatopathology. We identified only two studies utilizing the currently available immunohistochemical antibodies. We found more evidence regarding the use of in situ hybridization; however, the majority of this evidence focuses on diagnosing condylomas and other lesions of the genital skin...
August 10, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28763335/validation-of-digital-pathology-for-primary-histopathological-diagnosis-of-routine-inflammatory-dermatopathology-cases
#9
Jonathan J Lee, Jaroslaw Jedrych, Liron Pantanowitz, Jonhan Ho
BACKGROUND: Digital pathology (DP) systems have been validated for routine, histopathological diagnosis by several investigators. The diagnostic matter in previous studies is composed mostly of neoplasms. However, in dermatopathology, inflammatory diseases constitute a greater proportion of cases and have been under-represented in this literature. Herein, we report the results of a prospective, DP side-by-side validation study comparing the histologic assessment of routine, clinical inflammatory dermatopathology cases by whole slide imaging (WSI) and traditional light microscopy (LM)...
July 28, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28749576/review-of-the-current-medical-literature-and-assessment-of-current-utilization-patterns-regarding-mismatch-repair-protein-immunohistochemistry-in-cutaneous-muir-torre-syndrome-associated-neoplasms
#10
REVIEW
Jason B Lee, Brandon R Litzner, Claudia I Vidal
Muir-Torre syndrome is a clinical variant of Lynch syndrome defined by the synchronous or metachronous occurrence of at least one sebaceous neoplasm and at least one Lynch syndrome-related internal cancer. Although screening guidelines for patients with colorectal carcinomas have been established, screening guidelines for cutaneous Muir-Torre associated neoplasms are not currently available. As such, we reviewed the current evidence for the use of MLH1, MSH2, MSH6 and PMS2 immunohistochemistry when cutaneous Muir-Torre associated neoplasms are encountered...
July 27, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28748967/melanocytic-nevi-and-non-neoplastic-hyperpigmentations
#11
C Clemente
This is the first of three chapters that will be progressively published on Pathologica as updating activity of the Italian Study Group of Dermatopathology (GISD), Italian Society of Pathology and Cytology (SIAPeC IAP). The first chapter concerns non-neoplastic hyperpigmented skin lesions and nevi, the second will address the topics of dysplastic nevus, borderline and low malignant potential melanocytic proliferations and the third melanoma in its variants and differential diagnoses with a supplement on the immunohistochemistry and molecular support to diagnostic and prognostic definition of nevi and melanomas...
June 2017: Pathologica
https://www.readbyqxmd.com/read/28737867/pediatric-dermatopathology-an-overview
#12
Fatma S Afsar, Gulden Diniz, Safiye Aktas
Dermatopathology is a subspecialty of pathology and dermatology involving correlation of clinical information with microscopic observations of skin biopsies to provide diagnostic information. Pediatric dermatology is a subspecialty of dermatology for which specific points need to be known for evaluating and managing skin disorders in children. The histopathological approach and other important factors for definitive diagnoses in pediatric dermatopathology are reviewed. Skin diseases in children are not necessarily smaller versions of those that develop in adults and some diaseases may be confined to pediatric age group...
August 1, 2017: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/28692463/syringotropic-mycosis-fungoides-a-rare-form-of-cutaneous-t-cell-lymphoma-enabling-a-histopathologic-sigh-of-relief
#13
Larisa M Lehmer, Kyle T Amber, Sébastien M de Feraudy
Syringotropic mycosis fungoides (STMF) is a very rare variant of cutaneous T-cell lymphoma. It follows a much milder disease course than its clinically indistinguishable adnexal counterpart, folliculotropic mycosis fungoides (FMF). We report a case of a 36-year-old man who presented with erythematous, studded papules and plaques on the left upper extremity and right anterior thigh diagnosed as mycosis fungoides (MF) Stage 1A on initial superficial shave biopsy. Lesions recurred after initial improvement with narrow-band ultraviolet light therapy demonstrating a concentration of abnormal lymphocytes around eccrine sweat glands on repeat biopsy consistent with STMF...
May 18, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28666584/-anatomoclinical-study-of-annular-elastolytic-giant-cell-granuloma
#14
F Margerin, B Cribier
BACKGROUND: Annular elastolytic giant cell granuloma (AEGCG), a rare entity first described in 1979, is very similar to O'Brien actinic granuloma (AG), first described in 1975. Since then, many cases have been published under one or other of the two names. We performed a single-centre histopathology study to identify the distinguishing features and determine whether there was any objective difference between AEGCG and AG. PATIENTS AND METHODS: Cases classed as AEGCG or AG at the dermatopathology laboratory in Strasbourg were included and analysed using haematoxylin-eosin, orcein and Alcian blue staining...
June 27, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28657771/dermatopathology-and-social-media-a-survey-of-131-medical-professionals-from-29-countries
#15
Erin Carlquist, Nathan E Lee, Sara C Shalin, Michael Goodman, Jerad M Gardner
CONTEXT: - Use of social media in the medical profession is an increasingly prevalent and sometimes controversial practice. Many doctors believe social media is the future and embrace it as an educational and collaborative tool. Others maintain reservations concerning issues such as patient confidentiality, legal and ethical risks. OBJECTIVE: - To explore the utility of social media as an educational and collaborative tool in dermatopathology. DESIGN: - We constructed 2 identical surveys containing questions pertaining to the responders' demographics and opinions regarding the use of social media for dermatopathology...
June 28, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28648937/the-correlation-of-the-standard-5-probe-fish-assay-with-melanocytic-tumors-of-uncertain-malignant-potential
#16
Aaron Muhlbauer, Shabnam Momtahen, Martin C Mihm, James Wang, Cynthia M Magro
BACKGROUND: FISH has recently emerged as a technique to better assess the malignant potential of histologically ambiguous melanocytic lesions. However, the usefulness of FISH has not been conclusively established. The purpose of this study was to further explore the diagnostic value of FISH in distinguishing the borderline melanocytic tumor (BMT) from melanoma. METHOD: 73 cases with BMT were analyzed retrospectively from a dermatopathology database between 2010-2015...
June 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28612620/sampus-meltump-and-thimump-diagnostic-categories-characterized-by-uncertain-biological-behavior
#17
L Roncati, F Piscioli, T Pusiol
In the dermatopathological practice, there is a group of atypical melanocytic lesions with borderline histological features between benign simulants and malignant melanoma (MM), due to conflicting diagnostic criteria and inter-observer disagreement. In these cases, the dermatopathologist is authorized to seek consult with an established expert in the field, but even the most experienced specialist may not be sure about the correct diagnosis and the subsequent biological behavior. There is general consensus among qualified dermatopathologists that can be helpful to insert these ambiguous cases into two diagnostic categories: SAMPUS (Superficial Atypical Melanocytic Proliferations of Unknown Significance) and MELTUMP (MELanocytic Tumors of Uncertain Malignant Potential)...
December 0: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28612388/dermatopathology-education-in-the-era-of-modern-technology
#18
REVIEW
Neda Shahriari, Jane Grant-Kels, Michael J Murphy
Continuing technological advances are inevitably impacting the study and practice of dermatopathology (DP). We are seeing the transition from glass slide microscopy to virtual microscopy, which is serving both as an accessible educational medium for medical students, residents and fellows in the form of online databases and atlases, as well as a research tool to better inform us regarding the development of visual diagnostic expertise. Expansion in mobile technology is simplifying slide image attainment and providing greater opportunities for phone- and tablet-based microscopy, including teledermatopathology instruction and consultation in resource-poor areas with lack of specialists...
June 14, 2017: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/28609347/collagen-anomalies-as-clues-for-diagnosis-part-1
#19
Sergio Santos-Alarcón, Omar Francisco López-López, Miguel Ángel Flores-Terry, Dante Villamil-Cerda, Luis Jesús Allemant-Ortiz, Juan José Ríos-Martín, Victoria Alegría, Luis Requena
BACKGROUND: Collagen is the most abundant protein in the body and the main structural component of the skin. OBJECTIVE: To provide a review of the histopathology of collagen alterations and to propose a classification with the most important types of collagen anomalies in dermatopathology. The authors describe some of the main morphological clues of collagen anomalies for specific diagnosis of some cutaneous inflammatory and neoplastic conditions. METHODS: The authors review histopathologic collagen anomalies, concerning both morphology and disposition in some inflammatory and neoplastic cutaneous conditions, and they review previous terminology and proposed a classification of the most important types of collagen anomalies that can be seen in dermatopathological practice...
August 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28601392/histopathologic-features-of-melanoma-in-difficult-to-diagnose-lesions-a-case-control-study
#20
Manuel Lora Gonzalez, Eric D Young, James Bush, Katelyn McKenzie, Edgar Hunt, Viseslav Tonkovic-Capin, Melissa Jacobs, Michael Kucenic, Garth R Fraga
BACKGROUND: Dermatopathology is considered the gold standard for melanoma diagnosis, but a subset of cases is difficult to diagnose by histopathology. OBJECTIVE: The goals of this study were to measure the accuracy of histopathologic features in difficult-to-diagnose melanocytic tumors and the interobserver agreement of those features. METHODS: This is a case-control study of histopathologic features of melanoma in 100 difficult-to-diagnose melanocytic neoplasms (40 melanomas and 60 nevi)...
September 2017: Journal of the American Academy of Dermatology
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