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Case Reports in Dermatology

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https://read.qxmd.com/read/31097935/an-extremely-rare-case-of-leukoderma-induced-by-cosmetics-containing-ascorbic-acid
#1
Madoka Takafuji, Atsushi Tanemura, Ichiro Katayama
We report the case of a 73-year-old woman with leukoderma induced by cosmetics containing ascorbic acid. She had noticed the sudden appearance of a hypopigmented macule on the cheek within 1 month after use of the cosmetics with the brand name Obaji C Serum. No history of use of rhododenol-containing cosmetics was declared. Histopathological analysis revealed that the number of matured melanocytes was apparently decreased, and T lymphocytes abundantly infiltrated mainly the perifollicular region. In addition to the discontinuation of using Obaji C Serum, phototherapy by excimer light was noticeably effective for repigmentation...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31097934/alopecia-diffusa-while-using-interleukin-17-inhibitors-against-psoriasis-vulgaris
#2
Makiko Yajima, Tomoko Akeda, Makoto Kondo, Koji Habe, Keiichi Yamanaka
We report two cases of alopecia diffusa during the treatment of psoriasis vulgaris with interleukin (IL)-17 inhibitors. Psoriasis is one of the most common immune-mediated chronic skin diseases, strongly associated with IL-17A. Clinically, the monoclonal antibodies to IL-17A or its receptor, IL-17R, show a dramatic effect against psoriasis. Alopecia is also an IL-17-mediated autoimmune disease, and IL-17 inhibitors have been expected to be the gold standard for the treatment of alopecia; therefore, the complication of alopecia while using IL-17 may be regarded as an unexpected "paradoxical reaction...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31097933/acral-amelanotic-melanoma-mimicking-a-non-healing-arterial-ulcer
#3
Phillip Cantwell, Helena Van Dam
Acral melanomas contribute to approximately 2-3% of melanomas but are commonly misdiagnosed due to their rarity, subtlety at onset and tendency to display amelanotic features. This case report describes a 70-year-old male with an amelanotic melanoma misdiagnosed as a non-healing arterial ulcer. Histopathology demonstrated a Breslow 2.3 mm, Clark level IV acral lentiginous melanoma, which was definitively managed with surgical intervention. This case report highlights the importance of considering melanoma in the differential diagnosis of non-healing ulcers...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31043940/generalized-molluscum-contagiosum-successfully-treated-with-interferon-alpha-in-a-patient-with-folliculotropic-mycosis-fungoides
#4
Rutger C Melchers, Rein Willemze, Patricia M Jansen, Joost S P Vermaat, Maarten H Vermeer, Koen D Quint
We present the case of a 50-year-old patient with folliculotropic mycosis fungoides (FMF) unresponsive to retinoids and the chemotherapeutic regimens CHOP, gemcitabine, and brentuximab-vedotin. During immunosuppressive therapy, the patient developed extensive progressive molluscum contagiosum. The mollusca did not respond to topical imiquimod but showed a swift complete response to interferon-alpha 2a (IFNa). Recently, the patient started with alemtuzumab as induction therapy for an allogenic stem cell transplantation and simultaneously continued IFNa therapy...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31043939/occult-basal-cell-carcinoma-arising-in-seborrheic-keratosis
#5
Yuichi Kurihara, Masutaka Furue
Both seborrheic keratosis and basal cell carcinoma are common skin tumors in daily clinical practice. However, the coexistence of seborrheic keratosis and basal cell carcinoma is rare. In this report, we present a case of occult microscopic basal cell carcinoma arising in a lesion of seborrheic keratosis. This case indicates that the basal cell carcinoma could arise from seborrheic keratosis and might help to clarify the origin of basal cell carcinoma.
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31043938/serum-sickness-after-equine-rabies-immunoglobulin-in-identical-male-twins-two-case-reports
#6
Weeratian Tawanwongsri, Penpun Wattanakrai
We, hereby, report two cases of serum sickness in adult male identical twins who had received equine rabies immunoglobulin as a postexposure rabies treatment after cat scratches. The younger brother developed low-grade fever, polyarthritis, and multiple erythematous maculopapular eruptions, whereas low-grade fever and urticaria-like eruptions were detected in the elder brother. Both patients received a 7-day course of low-dose prednisolone and achieved good responses without recurrent attacks.
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31043937/eosinophilic-granulomatosis-with-polyangiitis-manifesting-as-recurrent-nasal-polyps-and-hemorrhagic-necrotic-bullae-a-rare-disease-successfully-treated-with-azathioprine
#7
Abdulaziz Alotaibi, Stefan W Schneider
Eosinophilic granulomatosis with polyangiitis (EGPA) is a rare multisystemic vasculitis which was previously called Churg-Strauss syndrome or allergic granulomatosis. It has an unknown pathogenesis, possibly autoimmune in nature. As it has a low incidence, there is only scant published literature. This case report is valuable to dermatologists, since skin involvement is one of the most common features of the vasculitic phase. This report represents one of the possible presentations of EGPA according to the antineutrophil cytoplasmic antibody status - which in our case was negative, with a low prognostic Five-Factor Score - that was successfully treated with oral steroids and azathioprine as a steroid-sparing agent...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31043936/a-rare-case-of-localized-argyria-on-the-face
#8
Verena Isak, Tobias Beerli, Antonio Cozzio, Lukas Flatz
Due to its antibacterial actions, silver sulfadiazine is widely used as a topical agent in the treatment of wounds, including burns. Widespread or prolonged topical application of silver sulfadiazine dressings can lead to argyria including systemic symptoms due to the resorption of silver. Here, we report a patient experiencing localized argyria due to sunlight exposure after topical use of silver sulfadiazine cream on his face.
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31011316/steatocystoma-multiplex-suppurativa-a-case-with-unusual-giant-cysts-over-the-scalp-and-neck
#9
Lama Alotaibi, Mohammed Alsaif, Ahmed Alhumidi, Mohammed Turkmani, Fahad Alsaif
Steatocystoma multiplex (SM) is a rare hamartomatous malformation of the pilosebaceous duct junction. Most cases of SM are sporadic, although less common autosomal dominant inherited forms have been reported. Steatocystoma multiplex suppurativa (SMS) is a much rarer inflammatory variant of SM, associated with severe inflammatory lesions resembling those of hidradenitis suppurativa. We describe herein a 28-year-old male with SMS who presented with extensive giant cysts on his neck, face, and scalp.
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31011315/discrete-papular-lichen-myxedematosus-and-scleromyxedema-with-hypothyroidism-a-report-of-two-cases
#10
Adele Shenoy, Jacklyn Steixner, Vincent Beltrani, Alice Gottlieb
Scleromyxedema and lichen myxedematosus (LM) are rare disorders that fall along the spectrum of primary cutaneous mucinoses. Scleromyxedema is a systemic form that classically presents with generalized waxy papules, sclerodermoid eruption, and monoclonal gammopathy; LM is a localized form limited to the skin that classically presents with white, firm, waxy papules and lacks monoclonal gammopathy. According to diagnostic criteria established in 2001, the diagnosis of both conditions requires absence of thyroid disease...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/31011314/localized-cutaneous-adverse-event-induced-by-anastrozole-as-adjuvant-treatment-for-breast-cancer-a-case-report
#11
Aya Tanaka, Chigusa Yamashita, Haruna Hinogami, Hirohiko Shirai, Jun Yamamura, Ryota Ito
Cutaneous adverse events caused by aromatase inhibitors have been reported to be rare. We describe a rare case of a cutaneous adverse event that developed in a cancer-affected breast after aromatase inhibitor treatment. A 72-year-old postmenopausal female patient who was diagnosed with stage IA breast cancer received anastrozole as adjuvant treatment. Six months after the initiation of anastrozole, she developed an irregularly shaped purpuric plaque with several purpuric papules surrounding the postoperative scar on her left breast...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/30792637/malignant-melanoma-treated-with-topical-imiquimod-a-bespoke-treatment-that-spared-the-amputation
#12
Emanuele Verga, Brinder Chohan, Roberto Verdolini
Surgical excision represents the primary treatment for malignant melanoma. On occasion, however, surgery may not be possible, and a different approach is required. Imiquimod is a Toll-like receptor 7 agonist involved in the activation of the innate immune system. We report the case of a 77-year-old female with a large, invasive, malignant melanoma of the malleolar area. Due to the size of the lesion, its location, and the patient's general condition, neither surgery nor radiotherapy were indicated. We offered topical treatment with 5% imiquimod to be applied once/day continuously over a 3-month period, pausing only when intense inflammation on the area of application occurred...
January 2019: Case Reports in Dermatology
https://read.qxmd.com/read/30631273/lichenoid-reaction-pattern-with-pseudoepitheliomatous-hyperplasia-a-rare-tattoo-reaction-a-case-report-and-review-of-the-literature
#13
Candace Broussard-Steinberg, Alexander Zemtsov, Matthew Strausburg, Gregory Zemtsov, Simon Warren
Pseudoepitheliomatous hyperplasia is a benign histologic reaction pattern that in rare cases can occur shortly after a tattooing procedure. We describe a case of pseudoepitheliomatous hyperplasia in two tattoos on the same patient 1 year after filling with the same batch of red ink.
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30631272/delayed-diagnosis-of-vulvar-crohn-s-disease-in-a-patient-with-no-gastrointestinal-symptoms
#14
Leah Ellis Wells, David Cohen
Though Crohn's disease primarily affects the gastrointestinal tract, cutaneous Crohn's disease of the vulva can occur in the absence of gastrointestinal symptoms, complicating the diagnosis. Once clinicians suspect cutaneous Crohn's disease, antibiotics and traditional immunosuppressants comprise initial treatment. Unfortunately, sometimes these therapies are not effective, or they provide only short-lived symptomatic improvement. A few case reports have found tumor necrosis factor-α inhibitors to be helpful in such refractory cases...
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30631271/keloid-formation-due-to-repetitive-mammographies
#15
Tim Pruimboom, Marc R Scheltinga
A keloid is the result of an abnormal wound healing response to a variety of skin injuries, characterized by a well-circumscribed, firm, irregular, mildly tender, and pink to purple hyperpigmented lump with a glossy surface. The present case reports on excessive formation of keloid due to repetitive mammographies causing symptomatic, cosmetically disturbing symptoms.
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30519172/phototoxic-reaction-induced-by-pazopanib
#16
Siriorn Udompanich, Kumutnart Chanprapaph, Natta Rajatanavin
Multikinase inhibitors (MKIs) are a novel target therapy that offers promising long-term survival for patients with advanced-stage cancer. However, they cause a wide range of adverse reactions, skin and skin appendage being the most prevalent. Photosensitivity reactions are well-recognized effects from certain MKIs such as sunitinib and vandetanib. However, phototoxic reaction induced by pazopanib has never been reported. We present here the first case of pazopanib-induced phototoxic drug reaction in a patient with renal cell carcinoma...
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30519171/efficacy-and-safety-of-intralesional-methotrexate-in-the-treatment-of-a-large-keratoacanthoma-of-the-dorsal-hand-in-a-99-year-old-woman
#17
Valentina Della Valle, Massimo Milani
Several case reports and retrospective studies have demonstrated that intralesional methotrexate (MTX) could be a very effective and safe alternative treatment of keratoacanthoma (KA). Here, we report a rapid clinical efficacy of two intralesional MTX injections (total dose 40 mg) that were performed 1 week apart in the treatment of a large KA lesion of the dorsal hand in a 99-year-old woman. The lesion, with a 3-cm major axis diameter and a thickness of 2 cm with a central ulceration had rapidly appeared on the right dorsal hand...
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30519170/allergic-contact-dermatitis-and-autoeczematization-to-proctosedyl%C3%A2-cream-and-proctomyxin%C3%A2-cream
#18
J D Matthew Hughes, Melanie D Pratt
Proctosedyl® and Proctomyxin® are two commonly prescribed hemorrhoid therapies. Their topical application to the perianal region may be complicated by a local allergic contact dermatitis and subsequent autoeczematization reaction. We present three cases of an autoeczematization (ID) reaction to varying topical allergens found in Proctosedyl®/Proctomyxin®. It is our recommendation that physician and patient education, avoidance of allergens (or cross-reactants), and appropriate choice of topical corticosteroid is important in preventing and avoiding flares...
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30519169/atypical-manifestation-of-disseminated-sporotrichosis-in-an-aids-patient
#19
Thiago Amparo Ferreira, Beatriz Moritz Trope, Glória Barreiros, Danielle Carvalho Quintela, Marcia Ramos-E-Silva
Sporotrichosis is an infection caused by fungi of the Sporothrix complex. The clinical lymphocutaneous presentation corresponds to the great majority of cases. With the increased incidence of sporotrichosis in the State of Rio de Janeiro, Brazil, atypical clinical forms have been reported with increasing frequency, usually associated with immunosuppression. We report the case of a 47-year-old female, with HIV and disseminated sporotrichosis, presenting molluscum-like skin lesions, as well as lung, nasal, and oral mucosa involvement...
September 2018: Case Reports in Dermatology
https://read.qxmd.com/read/30519168/anti-centromere-antibody-positivity-in-a-patient-with-generalized-morphea
#20
Fumi Miyagawa, Anna Nakajima, Yasuhiro Akai, Hideo Asada
We report the case of a 45-year-old female with generalized morphea (GM), who exhibited positivity for the anti-centromere antibody (Ab). She frequently developed multiple sclerotic skin lesions, whose histological findings were compatible with morphea. She demonstrated favorable responses to topical and oral steroids. Cases of GM associated with systemic sclerosis (SSc)-specific Abs (anti-Scl-70 Ab, anti-centromere Ab, and anti-RNA polymerase III Ab) have rarely been reported. The previously reported GM cases involving anti-SSc-specific Abs exhibited some skin manifestations of SSc, such as nailfold capillary changes...
September 2018: Case Reports in Dermatology
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