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A clinicopathological study of 21 patients with hidradenoma
( Hyeong Mok Kwon ),( Hye Ri Kim ),( Moon Hyung You ),( Dong Hoon Shin ),( Jong Soo Choi ) 대한피부과학회 2019 대한피부과학회 학술발표대회집 Vol.71 No.2
Background: Hidradenoma is a benign adnexal tumor presents as a solitary nodule. It occurs in all areas of the body, usually in adults. Hidradenoma can be either apocrine or poroid, with variants including solid-cystic, clear cell, nodular types. There are few recent reports about clinicopathological data of hidradenoma worldwide. Objectives: The aim of this study was to examine the clinicopathological findings of hidradenoma. Methods: A total of 21 patients confirmed as hidradenoma by histologic examination at the Yeungnam University Hospital from 2000 to 2019 were retrospectively. Hospital charts were analyzed to determine the clinical manifestations, histopathological subtypes, treatment, and prognosis of hidradenoma. Results: Of the 21 patients, the ratio of males to females was 1.33:1. The mean age of patients was 44±17.7 years. The majority (29.2%) involved trunk, and 6 cases (25.0%) involved scalp. Almost all cases were apocrine hidradenoma (95.8%), except for only 1 case of poroid hidradenoma (4.2%). Among apocrine hidradenoma, the most common subtype except for the unspecified subtype was nodular hidradenoma (25.0%), followed by clear cell type (8.33%). Wide excision was chosen as primary treatment and no evidence of recurrence was presented both in all cases. Conclusion: Hidradenoma favorably affected the trunk and scalp. 20 cases were apocrine hidradenoma, and nodular subtype was the most common subtype among them. All cases were treated by wide excision and had favorable prognosis.
Methotrexate-Induced Accelerated Nodulosis in a Patient with Systemic Lupus Erythematosus
( Hyeong Mok Kwon ),( Eun Hye Jeong ),( Jung Eun Yim ),( Hye Ri Kim ),( Dong Hoon Shin ),( Jong Soo Choi ),( Young Kyung Bae ) 대한피부과학회 2023 Annals of Dermatology Vol.35 No.7
Methotrexate (MTX)-induced accelerated nodulosis (MIAN) reportedly occurs in patients with rheumatic arthritis receiving MTX therapy. However, it has also been reported in patients with other autoinflammatory conditions, such as systemic lupus erythematosus (SLE). A 38-year-old woman diagnosed with SLE presented with multiple movable, firm, flesh-colored nodules on both hands that had developed 3 years ago. She was taking oral medications, specifically hydroxychloroquine, azathioprine, and MTX. Histopathological examination revealed palisaded granulomatous inflammation, surrounded by histiocytes and lymphocytes, along the dermis to the subcutaneous fat layer. Fibrinoid degeneration was observed at the center of the granulomatous inflammation, and dermal mucin deposition was not observed. The patient was diagnosed with MIAN, and therefore discontinuation of MTX was recommended. Subsequently, the lesions almost completely disappeared with no signs of recurrence. MIAN exhibits clinicopathological features similar to those of rheumatoid nodules; therefore, it can be easily misdiagnosed. Herein, we report a case of MIAN in a patient with SLE to contribute to the accurate diagnosis and appropriate management.
A clinicopathological study of 51 patients with glomus tumor
( Hyeong Mok Kwon ),( Jung Eun Yim ),( Hye Ri Kim ),( Dong Hoon Shin ),( Jong Soo Choi ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Glomus tumor is a relatively rare neoplasm that usually present in older adults. The finger is the most commonly affected site, but any anatomical site can be affected. It can be subdivided histopathologically into glomangioma, glomangiomyoma, and solid glomus tumor. There are few recent reports about clinicopathological data of glomus tumor worldwide. Objectives: The aim of this study was to examine the clinicopathological findings of glomus tumor. Methods: A total of 51 patients confirmed as glomus tumor by histologic examination at the Yeungnam University Hospital from 2001 to 2020 were reviewed retrospectively. Hospital charts were analyzed to determine the clinical manifestations, histopathological subtypes, treatment, and prognosis of glomus tumor. Results: Of the 51 patients, the ratio of males to females was 0.76:1. The mean age of patients was 42±14.9 years. The majority (64.7%) involved finger, and 8 cases (15.7%) involved arm, followed by subungual (11.8%). Histopathologically, about a half of cases were glomangioma (47.1%), 14 cases were glomangiomyoma (27.5%), followed by 13 cases of solid glomus tumor (25.5%). Total excision was chosen as primary treatment and no evidence of recurrence was presented in all cases. Conclusion: Glomus tumor favorably affected the finger and trunk. About a half of cases were glomangioma, and the rest were occupied almost equally by glomangiomyoma and solid glomus tumor. All cases were treated by total excision and had favorable prognoses.
A clinicopathological study of 45 patients with blue nevus
( Hyeong Mok Kwon ),( Jung Eun Yim ),( Hye Ri Kim ),( Dong Hoon Shin ),( Jong Soo Choi ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Blue nevus is a benign localized pigmented lesion generally occurs on skin. Usually blue nevus has no potential of malignant transformation, but rarely, it can occur in cellular blue nevus subtype. There are few recent reports about clinicopathological data of blue nevus worldwide. Objectives: The aim of this study was to examine the clinicopathological findings of blue nevus. Methods: A total of 45 patients confirmed as blue nevus by histologic examination at the Yeungnam University Hospital from 2010 to 2020 were reviewed retrospectively. Hospital charts were analyzed to determine the clinical manifestations, histopathological subtypes, treatment, and prognosis of blue nevus. Results: Of the 45 patients, the ratio of males to females was 1.25:1. The mean age of patients was 35±18.6 years. Among the cases, arm was the most commonly involved site (22.2%), and the next was trunk (17.8%), followed by hand (15.6%) and face (13.3%). Histopathologically, almost all cases were common blue nevus (93.3%), except for only 3 cases of cellular blue nevus which showed increased cellular number and atypia (6.7%). Wide excision was chosen as primary treatment and no evidence of recurrence was presented both in all cases. Conclusion: Blue nevus favorably affected the arm and trunk. Histopathologically, 42 cases were common blue nevus, but 3 cases were cellular blue nevus. All cases were treated by wide excision and had favorable prognoses.
Phytochemical Constituents of Bitter Melon (Momordica charantia)
김현영,Su Hyeong Kwon,이동구,조은주,이상현,So-Youn Mok 한국생약학회 2013 Natural Product Sciences Vol.19 No.4
Phytochemical constituents were isolated from bitter melon (the fruits of Momordica charantia) through open column chromatography. Their structures were identified as b-sitosterol (1), (23E)-5b,19-epoxycucurbita-6,23-diene-3b,25-diol (2), daucosterol (3), uracil (4), and allantoin (5) by interpretation of spectroscopic analysis including MS and 1H- & 13C-NMR. Among them, allantoin (5) was isolated from this plant for the first time.
증례 : 급성 A형 간염 후 발생한 전격성 제1형 당뇨병 1예
권지연 ( Ji Yeon Kwon ),노미오 ( Mi Oh Roh ),송민수 ( Min Soo Song ),정찬희 ( Chan Hee Jung ),박형규 ( Hyeong Kyu Park ),김여주 ( Yeo Ju Kim ),목지오 ( Ji Oh Mok ),김상진 ( Sang Jin Kim ),김철희 ( Chul Hee Kim ),변동원 ( Dong Won 대한당뇨병학회 2009 임상당뇨병 Vol.10 No.2
전격성 제1형 당뇨병은 췌도에서 급격히 베타세포와 알파세포가 파괴되는 특징을 가진 당뇨병으로 그 기전은 명확하지 않으나 유전적 감수성이 있는 개체에서 바이러스 감염 등의 환경적인 인자와의 연관성이 가능한 병태생리로 제시되고 있으며 이에 대한 추가적인 연구가 필요하다. 저자들은 최근 급증하는 A형 간염 후에 발생한 전격성 제1형 당뇨병 1예를 경험하여 전격성 제1형 당뇨병과 바이러스 감염의 관련성에 대한 근거를 제시하고 이에 대해 보고하는 바이다. Fulminant type 1 diabetes mellitus is a novel subtype of type 1 diabetes, which is characterized by a remarkably abrupt onset, metabolic derangement such as diabetic ketoacidosis at diagnosis, low HbA1c level at onset and negative islet-related autoantibodies. The pathogenesis of this disease remains to be clarified, but the involvement of both genetic background and viruses have been suggested. We recently encountered a case of fulminant type 1 diabetes mellitus in 32-year-old male patient who was diagnosed with acute hepatitis A a month ago. Laboratory findings revealed high blood glucose level as well as evidence of diabetic ketoacidosis, but the HbA1c level was normal. The low level of plasma C-peptide indicated the loss of endogenous insulin secretion. This patient`s laboratory results met the criteria for the diagnosis of fulminant type 1 diabetes. We consider that this report can add to the body of evidence of a viral etiology of fulminant type 1 diabetes. Further study is needed to elucidate the exact pathogenesis. (Korean Clinical Diabetes J 10:118-122, 2009)