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https://www.readbyqxmd.com/read/28329624/actinic-keratoses-progress-more-quickly-to-squamous-cell-carcinoma-than-basal-cell-carcinoma
#1
Julia A Siegal, Joanna L Walker, Moniyka Sachar, Robert A Lew, Suephy C Chen, Susan M Swetter, Robert P Dellavalle, George P Stricklin, Martin A Weinstock
Actinic keratoses (AK) are common, costly, and may evolve to keratinocyte carcinoma (KC): basal cell (BCC) and squamous cell carcinoma (SCC) of the skin. Time to malignant transformation is controversial. We used data from the placebo arm (n=166) of a randomized trial of veterans with multiple prior KCs. Study dermatologists examined participants' faces/ears at enrollment and semiannual visits. Clinically diagnosed AKs were marked, photographed, and treated with cryotherapy (starting at 6 months). Lesions suspicious for KC were marked, photographed, and biopsied...
September 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329594/perforating-gout-of-the-ear
#2
Leigh Sutton, Palak Parekh
Gout is the most common cause of inflammatory arthritis in men over 40 [1]. The prevalence of gout in the US is approximately 3.9%. Tophus is a characteristic sign of gout and results when monosodium urate deposits at the joint, skin, or cartilage. Tophi develop in 12-35% of patients who are diagnosed with gout [2]. We report a case of a 70-year-old man who was diagnosed with squamous cell carcinoma of the helix via shave biopsy. During Mohs micrographic surgery, a vigorous foreign-body reaction was noted. Review of the initial biopsy slides identified crystals with pseudoepitheliomatous hyperplasia (PEH) rendering a diagnosis of gout...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329586/cd30-lymphoproliferative-disorder-in-a-patient-with-metastatic-papillary-thyroid-carcinoma
#3
Jeremy Udkoff, Philip R Cohen
Background CD30+ lymphoproliferative disorders are rare and may feature a wide variety of presentations that mimic other conditions. Purpose A man with metastatic papillary thyroid carcinoma to skin who subsequently developed cutaneous anaplastic large cell lymphoma is described. Methods The PubMed medical database was used to search the following terms separately and in combination: ALCL, anaplastic large cell lymphoma ALCL, cutaneous anaplastic large cell lymphoma CALCL, cutaneous t-cell lymphoma CTCL, large t-cell lymphoma LTCL, lymphoproliferative, lymphomatoid papulosis LyP, mimic, papillary, thyroid cancer...
October 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329574/a-rare-clinical-manifestation-of-spinulate-demodicosis
#4
Funda Tamer, Evren Sarifakioglu, Ozge Mine Orenay
Demodicosis is a chronic skin disease caused by Demodex mites such as Demodex folliculorum and Demodex brevis. Demodex mites live in pilosebaceous units and they are regarded as a part of the normal skin flora. Nevertheless, it has been suggested that the presence of five or more mites per cm² by the standardized skin surface biopsy technique could be considered as pathogenic.
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329568/localized-cutaneous-argyria-report-of-two-patients-and-literature-review
#5
Bryce David Beutler, Robert A Lee, Philip R Cohen
BackgroundLocalized cutaneous argyria is a rare skin condition caused by direct contact with silver or silver particles. It presents as asymptomatic gray or blue-gray macules that appear similar to blue nevi. Histologic features include brown-colored or black-colored silver granules in the basement membrane and dermis, most commonly surrounding eccrine glands, elastic fibers, and collagen fibrils. The condition is most frequently observed in individuals who are regularly exposed to small silver particles, such as silversmiths and welders...
November 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329549/frontal-fibrosing-alopecia-in-a-46-year-old-man
#6
Forrest White, Shields Callahan, Randie H Kim, Shane A Meehan, Jennifer Stein
Frontal fibrosing alopecia is a scarring alopecia thatis characterized by recession of the frontotemporalhairline with the frequent loss of eyebrows. Itpredominantly affects postmenopausal womenand only rarely affects men. We report the caseof a 46-year-old man with a ten-year history of anerythematous patch with perifollicular erythemaat the superior aspect of the forehead andfrontotemporal hairline. A skin biopsy specimenshowed a perivascular, lymphocytic infiltrate withperiinfundibular fibrosis. These findings establisheda diagnosis of frontal fibrosing alopecia...
December 15, 2016: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329529/concurrent-pyogenic-granuloma-and-bullous-impetigo-of-a-pregnant-woman-s-finger
#7
Rosie Qin, Philip R Cohen
BACKGROUND: Bullous impetigo is a superficial skininfection caused by Staphylococcus aureus (S.aureus). Pyogenic granuloma is a common benigntumor frequently associated with prior trauma.Bullous impetigo and pyogenic granuloma may occurin pregnant women. PURPOSE: The features of a pregnant womanwith pyogenic granuloma and bullous impetigoconcurrently present in a lesion on her finger aredescribed. METHODS: PubMed was used to search the followingterms: bullous impetigo, pregnancy, and pyogenicgranuloma...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329521/a-rare-case-of-cutaneous-acanthamoebiasis-in-a-renal-transplant-patient
#8
Frank Winsett, Jessica Dietert, Jaime Tschen, Michael Swaby, Carolyn A Bangert
A 35-year-old woman receiving immunosuppressionfor renal transplantation presented with a onemonthhistory of tender skin nodules on herbilateral upper extremities. A skin biopsy revealedgranulomatous inflammation in the deep dermisand the subcutaneous fat with foci of necrosis.Within the foci of necrosis were large histiocytoidstructures with prominent nuclei. Periodic acid-Schiffstain revealed a round organism with a thick capsule,consistent with amoebal trophozoites. Testing withthe Center for Disease Control revealed the organismto be Acanthamoeba...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329517/purple-patches-in-an-immunocompromised-patient-a-report-of-secondary-disseminated-cutaneous-mucormycosis-in-a-man-with-chronic-lymphocytic-leukemia
#9
Sanjana Iyengar, Cindy J Chambers, Jillian W Millsop, Maxwell A Fung, Victoria R Sharon
A 60-year-old man with chronic lymphocytic leukemiadeveloped a deeply violaceous annular patchwith a halo of erythema on the right thigh duringhospitalization for neutropenic fever. Associatedsymptoms included chronic cough and fatigue.Bilateral lung opacities with hilar lymphadenopathywere noted on chest computed tomographyscan. Punch biopsy and tissue culture confirmeda diagnosis of secondary disseminated cutaneousmucormycosis. Although rare, physicians shouldinclude mucormycosis in the differential diagnosisof purpuric patches in immunosuppressed patients...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329490/tamoxifen-induced-radiation-recall-dermatitis
#10
Alexandra Bourgeois, Stratton B Grisoli, Erik J Soine, Les B Rosen
BACKGROUND: Radiation recall dermatitis (RRD) canpresent days to years after radiation exposure andis most commonly caused by chemotherapy drugs,with tamoxifen-induced radiation recall dermatitisbeing exceptionally rare. PURPOSE: To report a newcase of tamoxifen-induced radiation recall dermatitisafter 4.5 years of tamoxifen exposure, making this thelongest time of onset to RRD after tamoxifen initiation. MATERIALS AND METHODS: The case of a woman withtamoxifen-induced RRD is presented...
February 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329472/metastatic-neuroendocrine-carcinoma-in-the-skin
#11
Andres Garcia, Steven Mays, Sirunya Silapunt
Cutaneous metastases secondary to neuroendocrinetumors are rare. Herein we report a case of a 75-yearoldwoman who presented with a rare cutaneousmetastatic disease. She was previously diagnosed withmetastatic neuroendocrine carcinoma of unknownprimary, with metastases to liver, lung, and bone.Biopsy of the skin lesion demonstrated archetypicalpathology and positive immunohistochemicalstaining for chromogranin A and synaptophysin. Thepatient started palliative chemo-radiation therapyand passed away soon after...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329471/first-report-of-mesalamine-5-aminosalicylic-acid-as-the-causative-agent-in-a-case-of-acute-generalized-exanthamous-pustulosis
#12
Erin Rocci, Kelly Park, Kelli Hutchens, Laura Winterfield
Acute generalized exanthamous pustulosis (AGEP)is a rare eruption of non-follicular sterile pustuleson a diffuse background of erythema and edema,commonly associated with fever and leukocytosis.Antibiotics are implicated in most cases; however,other drugs have been reported to cause AGEP. Wereport a case of a 73-year-old man with a historyof ulcerative colitis who presented with a diffusepustular rash, renal failure, elevated liver functiontests, and leukocytosis with neutrophilia. A week priorto admission, the patient was started on mesalamineto treat colitis...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28329470/cutaneous-manifestations-of-disseminated-gonococcemia
#13
Surget V Beatrous, Stratton B Grisoli, Ryan R Riahi, Ryan J Matherne, Ryan J Matherne
BACKGROUND: Sexually transmitted infections, includingurogenital gonorrheal infection, are a growing healthconcern in the United States. Nearly 50% of cervicalinfections are asymptomatic. If left undiagnosedand untreated, there is a risk of disseminatedinfection. PURPOSE: To describe an 18-year-old womanpresenting with disseminated gonococcal infectionconfirmed by blood cultures, skin biopsy, and urinegonococcal probe. We also describe the presentation,diagnosis, and treatment of disseminated gonococcalinfection, including discussion of the variousmorphologies of cutaneous lesions that have beenreported in the literature...
January 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28328616/borderline-tuberculoid-leprosy-masquerading-as-granuloma-annulare-a-clinical-and-histological-pitfall
#14
Tian Hao Zhu, Faranak Kamangar, Marc Silverstein, Maxwell A Fung
INTRODUCTION: Leprosy is a chronic granulomatous disease caused by Mycobacterium leprae, an intracellular acid-fast bacillus that tends to infect the skin and peripheral nerves. Because of the wide array of cutaneous manifestation, diagnosis is not always straightforward, especially in nonendemic regions of the world such as the United States. CASE REPORT: The authors report an unusual case of borderline tuberculoid leprosy in an 80-year-old white woman from California...
April 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28328558/dacryoadenitis-as-the-initial-presentation-of-a-natural-killer-t-cell-lymphoma
#15
Juan C Jiménez-Pérez, Frederick A Jakobiec, Fouad R Zakka, Michael K Yoon
Primary orbital natural killer T-cell lymphoma (NKTCL) is a rare condition with only a few published cases in the literature. Over 1 month, an 81-year-old man developed progressive left periocular inflammation unresponsive to treatment. Clinical examination and imaging studies demonstrated a left lacrimal gland enlargement. Bilateral anterior uveitis and erythematous nontender cutaneous lesions were also found. Biopsies of the skin and lacrimal gland on the back revealed histopathologic and immunohistochemical findings confirming Epstein-Barr virus-positive NKTCL...
March 21, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28326184/unilateral-demodicidosis-of-face-mimicking-hansens-disease
#16
Deepak Vashisht, Jatinder Singh, Sukriti Baveja, Rohit Tiwari, Anuj Bhatnagar
Demodicosis is a common parasitic infection of the hair follicles and the pilosebaceous unit by the Demodex mites viz. Demodex folliculorum and Demodex brevis. Infection by this parasite is common among immunocompromised and elderly. We report a case of facial Demodicosis which presented like atypical rosacea with a gradually progressing swelling and redness on right side of face which was initially diagnosed as a case of Hansen's disease. Skin biopsy revealed follicular dilatation with presence of Demodex mite along with intense perifollicular lymphomononuclear infiltrate...
June 15, 2016: Dermatology Reports
https://www.readbyqxmd.com/read/28325516/scabietic-vasculitis-report-of-2-cases
#17
C Clevy, D Brajon, E Combes, M Benzaquen, J-P Dales, M-C Koeppel, P Berbis
BACKGROUND: The infectious causes of cutaneous vasculitis are well known and include streptococcal infections among others. Cases resulting from parasitic infection are less frequent. Scabies, which is currently on the increase, has only been reported in a few isolated cases. Herein, we report two noteworthy cases of profuse scabies complicated by cutaneous vasculitis. PATIENTS AND METHODS: Case 1: a 90-year-old woman, residing in a nursing home, was admitted to our dermatology department complaining of pruritus, present for one month, predominantly on the inside of the thighs and on the buttocks, associated with purpuric lesions on the lower limbs...
March 18, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28325396/direct-immunofluorescence-microscopy-of-skin-biopsy-samples-preserved-in-honey
#18
Raghavendra Rao, Anuradha Jindal, Balbir Bhogal, Sathish B Pai
No abstract text is available yet for this article.
April 2017: Journal of the American Academy of Dermatology
https://www.readbyqxmd.com/read/28324676/comparison-of-selected-nonlethal-samples-from-adult-steelhead-for-detection-of-infectious-hematopoietic-necrosis-virus-using-cell-culture
#19
David R Burbank, Tyson R Fehringer, Luciano V Chiaramonte
Nonlethal sampling techniques have previously been evaluated for detection of a variety of viral salmonid pathogens. However, many of these studies have used molecular assays in lieu of widely accepted cell culture techniques to evaluate the sampled tissues. Samples were collected from female steelhead Oncorhynchus mykiss broodstock using three potential nonlethal sampling methods (mucus/skin scrape, pectoral fin clip, and gill tissue biopsy) and evaluated for the presence of infectious hematopoietic necrosis virus (IHNV) via cell culture techniques...
June 2017: Journal of Aquatic Animal Health
https://www.readbyqxmd.com/read/28322333/squamous-epitheliotropism-of-enterovirus-a71-in-human-epidermis-and-oral-mucosa
#20
Win Kyaw Phyu, Kien Chai Ong, Chee Kwan Kong, Abdul Khalil Alizan, Tindivanam Muthurangam Ramanujam, Kum Thong Wong
Hand-foot-and-mouth disease is a self-limiting paediatric infectious disease commonly caused by Enterovirus A71 (Genus: Enterovirus, Family: Picornaviridae). Typical lesions in and around the hands, feet, oral cavity and other places may rarely be complicated by acute flaccid paralysis and acute encephalomyelitis. Although virus is readily cultured from skin vesicles and oral secretions, the cellular target/s of Enterovirus A71 in human skin and oral mucosa are unknown. In Enterovirus A71-infected human skin and oral mucosa organotypic cultures derived from the prepuce and lip biopsies, focal viral antigens and viral RNA were localized to cytoplasm of epidermal and mucosal squamous cells as early as 2 days post-infection...
March 21, 2017: Scientific Reports
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