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Acute generalized exanthematous pustulosis induced by celecoxib
( Sookyung Lee ),( Dongyeup Lee ),( Dongjoo Kim ),( Myoungshin Kim ),( Unha Lee ),( Jeonghee Hahm ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Acute generalized exanthematous pustulosis (AGEP) is a severe and rare eruption that characterized by a fever, neutrophilia and non-follicular pustules on the erythematous base with an acute onset. AGEP develops mostly from factors related to drugs, mainly antibiotics. A 65-year-old woman visited our clinic with generalized pustular exanthema on the intertriginous areas. She treated with celecoxib 200mg once for back pain 3 days ago.Laboratory studies revealed leukocytosis and increased erythrocyte sedimentation rate. The histological findings were subcorneal pustules, edema in the upper dermis and polymorphic perivascular infiltrates. Two days after using systemic corticosteroid, papulopustules on the trunk subsided and desquamation started. Three weeks later, re-epithleialization of denuded area with complete clearance of skin observed. Celecoxib is a cyclooxygenase-2 selective nonsteroidal anti-inflammatory drug widely used to treat pain, which might cause AGEP very rarely. Here, we report a case of AGEP caused by celecoxib.
Papular acantholytic dyskeratosis treated with CO2 laser
( Sookyung Lee ),( Dongyeup Lee ),( Dongjoo Kim ),( Myoungshin Kim ),( Unha Lee ),( Jeonghee Hahm ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Papular acantholytic dyskeratosis is a collection of papular skin lesions which occur in intertriginous and genital area. They show a characteristic histology of focal suprabasal acantholysis without the connection to a syndrome such as the Hailey-Hailey disease or the Darier disease. We describe a 50-year-old man with an asymptomatic papular eruption on the perianal area for several years. Histologically, a biopsy specimen showed diffuse hyperkeratosis and irregular acantholysis throughout the epidermis. We used the CO2 laser therapy as a therapeutic option. Despite causing a long and painful healing process, a considerable reduction of the symptoms was achieved . Although we do not know the precise nature or the incidence of this disease, papular acantholytic dyskeratosis should be included in the differential diagnosis of verrucous papules in perineal or perianal areas and CO2 laser can be a good therapeutic option.
A case of bee pollen-induced skin allergy with eosinophilic microabscess
( Hoyoung Kim ),( Jaeho Lee ),( Joongheon Suh ),( Sookyung Lee ),( Myoungshin Kim ),( Unha Lee ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.1
Bee pollen is a mixture made by worker bees and consists of pollen, nectar, and salivary secretions. Due to its abundant nutritional and medicinal effects, people are consuming bee pollen increasingly these days. However, some of the elements of bee pollen, such as pollen and fungus, can cause allergic reactions. Bee pollen-induced allergy is a type of food allergy, and anaphylaxis is the most common symptom. Besides anaphylaxis, other symptoms in different organs can also occur. A 29-year-old man presented with erythematous vesicular patches on the lower abdomen 3 months ago. The skin biopsy specimen showed epidermal spongiosis, a subcorneal pustule filled with eosinophilic microabscess, and perivascular eosinophilic infiltration. He was diagnosed with skin allergy caused by bee pollen. He stopped ingesting bee pollen and was treated with oral anti-histamines and topical steroid. We report this case because of its unique clinical and histological appearance.
Verruca plana developing after semipermanent tattooing
( Dongjoo Kim ),( Dongyeup Lee ),( Sookyung Lee ),( Myoungshin Kim ),( Unha Lee ),( Jeonghee Hahm ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Tattooing for cosmetic adornment is becoming more popular around the world. Yet there are many complications associated with the introduction of pigment into skin, such as local inflammation, allergic reactions and infection. The infectious side effects include local bacterial infections and transmission of hepatitis, syphilis and human immunodeficiency virus (HIV). A 21-year-old healthy man presented with multiple flesh verrucous papules on forearms after undergoing semipermanent tattooing. Histologic examination of the cutaneous lesion showed acanthosis and koilocytosis that are typical of verruca plana. Proliferation of dilated capillaries was present within the papillary dermis. The tattooing had been done 2 years earlier by an amateur. Herein, We report a case of verruca plana that developed after semipermanent tattooing.
( Joongheon Suh ),( Jaeho Lee ),( Hoyoung Kim ),( Sookyung Lee ),( Myoungshin Kim ),( Unha Lee ) 대한피부과학회 2018 대한피부과학회 학술발표대회집 Vol.70 No.2
Background: The treatment of periungual viral warts is a therapeutic challenge. Result of various treatments can be ineffective and may cause various complications, including permanent nail changes, pain and scar formation. Objectives: To investigate the efficacy and safety of a ablative fractional carbon dioxide laser and bleomycin combination therapy in the treatment of periungual warts. Methods: Wart lesions were treated with prior ablative cabon dioxide fractional laser. Immediately after each fractional laser treatment, bleomycin(1U/mL) was applied on the lesions. The patients were treated every 2 weeks until elimination of the lesions. Results: Twenty six lesions(68.4%) achieved a complete clearance. Three lesions(7.8%) had excellent partial response(>75% improvement). There were no recurrences of those warts that had achieved complete clearance during the follow-up period of 6 months. No significant long-term adverse effects were noted. Only one lesion showed postinflammatory hyperpigmentation, which resolved within 1 month, and five patients(29%) had localized moderate pain for 2 to 3 days after the treatment. Conclusion: Combination therapy of ablative fractional laser and bleomycin is an effective and safe modality to treat periungual warts. Further large controlled studies are necessary.
A case of subungual amelanotic melanoma
( Hoyoung Kim ),( Jaeho Lee ),( Joongheon Suh ),( Sookyung Lee ),( Unha Lee ),( Myoungshin Kim ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.1
Subungual amelanotic melanoma is rare, only 15-25% of subungual melanoma. Since it appears pinkish or reddish, early diagnosis is often delayed causing poor prognosis. It usually occurs in thumbs or great toes. Pathogenesis of amelanotic melanoma is not well elucidated, but lack of tyrosinase and agenesis of melanosomes are possible causes. A 67-year-old male had subungual erythematous papule on his left thumb. It appeared 10 years ago and had increased in size splitting the nail. At the first visit, the lesion had discharge smelling foul odor. The biopsy specimen of nail plate showed several hyperchromatic large cells in epidermis and nail plate. In immunohistochemistry, Melan-A was focally positive and p63 was negative. The specimen of nail bed showed hyperchromatic and pleomorphic cells with positivity for Melan-A and negativity for pan-cytokeratin. He underwent excisional biopsy and the specimen showed atypical melanocytes in epidermis and nests of numerous hyperchromatic cells with mitotic figures in dermis. He was diagnosed with subungual amelanotic melanoma with pathologic stage T3b.
A case of pigmented spindle cell nevus with an unusual dermoscopic feature
( Dongjoo Kim ),( Dongyeup Lee ),( Sookyung Lee ),( Myoungshin Kim ),( Unha Lee ),( Jeonghee Hahm ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Pigmented spindle cell nevus (PSCN, Reed nevus) is a solitary heavily pigmented macule or papule that usuallyoccurs on the lower legs of women in the second decade of life. Histologically, fascicles of uniform, elongated, pigmented nevoid cells at the dermo-epidermal junction tend to fuse with neighboring nests. Three main dermoscopic patterns of PSCN are starburst, globular, atypical pattern. Also, very few cases of PSCN with peripheral reticular pattern have been reported. Our patient was a 49-year old female presented with a 1-year history of black ovoid papule on the right second finger. Dermoscopic examination of the lesion showed a brown to black diffuse pigmentation with discrete depigmentations in the center of the lesion. At the periphery of the lesion, the streaks radiated in the direction of the normal skin, forming a relatively uniform network, characteristic of “peripheral reticular” dermoscopic pattern. Histopathologic examination revealed the typical histologic features of PSCN. There was no atypical feature such as mitoses or pleomorphism. Herein, we report a case of pigmentedspindle cell nevus with the unusual dermoscopic feature.
A case of atypical adult onset Still`s disease that presented with unique histopathologic findings
( Dongjoo Kim ),( Dongyeup Lee ),( Sookyung Lee ),( Myoungshin Kim ),( Unha Lee ),( Jeonghee Hahm ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Adult-onset Still’s disease (AOSD) is an uncommon systemic inflammatory disorder characterized by fever, polyarthralgia, elevated white blood cell count, and a distinctive erythematous rash according to the diagnostic criteria of Yamaguchi. The typical skin rash in AOSD is an evanescent, erythematous maculopapular lesion, associated with non-specific histopathologic features such as perivascular inflammatory infiltration. However, other skin lesions such as persistent pruritic papules and plaques are rarely seen in AOSD. A 54-year-old woman presented with fever, arthritis, persistent pruritic lichenified patches. Skin biopsy showed dyskeratosis with a peculiar, distinctive distribution in the upper epidermis and cornified layers with hyperkeratosis. In addition, increased dermal mucin was present, with minimal fibroblast proliferation and inflammation. She was diagnosed with AOSD according to the diagnostic criteria of Yamaguchi. Herein, We present an atypical form of AOSD(persistent pruritic papules and plaques), showing clinically and pathologically distinctive manifestation.