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파골세포모양 거대세포를 동반한 갑상선 미분화 암종의 세침흡인 세포학적 소견 - 1예 보고 -
맹이소,이제훈,이안희,강창석,김경미,Maeng, Lee-So,Lee, Je-Hoon,Lee, An-Hi,Kang, Chang-Suk,Kim, Kyoung-Mee 대한세포병리학회 2003 대한세포병리학회지 Vol.14 No.1
Multinucleated giant cells of osteoclast-like appearance can be seen in a type of anaplastic carcinoma of thyroid and only a few case reports for fine needle aspiration cytologic findings are found in the literatures. Recently, we experienced a case of anaplastic carcinoma of thyroid with many osteoclast-like giant cells in a 72-year-old woman. The cytologic features and immunohistochemical results are described with special emphasis on differential diagnosis.
자궁경부 투명세포 샘암종의 자궁경부질 세포학적 소견 - 1예 보고 -
맹이소,김경미,강창석,이안희,Maeng, Lee-So,Kim, Kyouug-Mee,Kang, Chang-Suk,Lee, An-Hi 대한세포병리학회 2004 대한세포병리학회지 Vol.15 No.2
Primary clear cell adenocarcinoma of uterine cervix is rare and cytomorphology in the vaginal smear have not been previously described in Korean literatures. The cytologic characteristics of clear cell adenocarcinoma of the uterine cervix include : malignant cells with abundant, finely vacuolated cytoplasm ; hobnail appearance, and distinctive basement membrane-like hyaline materials within cellular aggregates. A 36-year-old woman presented with vaginal bleeding. Cytologic examination of vaginal smear and histopathologic examination of a radical hysterectomy specimen allowed the diagnosis of hemorrhagic tumor in the uterine cervix as a clear cell adenocarcinoma. Cytologic findings were very characteristic. The tumor cells had abundant, pale, finely vacuolated cytoplasm with indistinct cytoplasmic membrane. The nuclei were round to oval with finely dispersed chromatin. Extracellular basement membrane-like hyaline substance, which stained a light green color in Papanicolaou's preparation, was frequently observed within the cancer cell clusters.
맹이소,이안희,강창석,김경미,Maeng, Lee-So,Lee, An-Hi,Kang, Chang-Suk,Kim, Kyoung-Mee The Korean Society for Cytopathology 2004 대한세포병리학회지 Vol.15 No.1
Development of an invasive squamous cell carcinoma within a branchial cleft cyst (branchiogenic carcinoma) is very rare and this case is the first description of cytologic findings in Korea. A 62-year-old man presented with a 5-month history of an enlarged right neck mass. Fine needle aspiration cytology of the mass showed low cellularity and the background containing proteinaceous debris, inflammatory cells, and histiocytes suggested a cystic nature. Abundant lymphocytes, a few anucleated squames, and rare atypical squamous cells with pyknotic nuclei and abnormal keratinization were also noted. After excision of the mass, histologic findings were consistent with a branchiogenic carcinoma. We recommend to raise the possibility of carcinoma (primary or metastatic) when we observe a few dyskeratotic cells in a cystic mass within the neck area, especially in an old male.
정문경 ( Mun Kyung Chung ),김용철 ( Yong Cheol Kim ),전은경 ( Eun Kyoung Jeon ),이근호 ( Keun Ho Lee ),맹이소 ( Lee So Maeng ),한제호 ( Je Ho Han ),문성대 ( Sung Dae Moon ) 대한내과학회 2008 대한내과학회지 Vol.75 No.4
The coexpression of cortical and medullary features in a single adrenal cortical cell has been recognized, leading to terms such as cortico-medullary cells. Here, we reported a case of adrenocortical adenoma consisting of cortico-medullary cells that clinically mimicked pheochromocytoma. A 52-year-old woman was admitted to our hospital complaining of an 8-month history of paroxysmal palpitation with refractory hypertension. A 24-hour urine study revealed increased norepinephrine and metanephrine levels. Computed tomography of the abdomen revealed a 1.0×0.9-cm mass in the left adrenal gland. The patient subsequently underwent unilateral laparoscopic adrenalectomy for a presumptive pheochromocytoma. Light microscopic findings of the left adrenal mass indicated an adrenocortical adenoma, but electron microscopy identified lipid vacuoles and smooth endoplasmic reticulum, along with dense core neurosecretory granules, so-called cortico-medullary cells. This is the first report of the detection of cortico-medullary cells in adrenocortical adenoma presenting as pheochromocytoma in Korea. (Korean J Med 75:479-483, 2008)
위장관 : 급성 TNBS-유발 대장염에서 동종 골수이식에 의한 치료 효과
맹이소 ( Lee So Maeng ),장은덕 ( Eun Duck Chang ),채현석 ( Hiun Suk Chae ),김진수 ( Jin Soo Kim ),민정요 ( Jeong Yo Min ),손혜숙 ( Hye Sook Sohn ),노상영 ( Sang Young Rho ),김형근 ( Hyung Keun Kim ),조영석 ( Young Suk Cho ),최규용 대한소화기학회 2009 대한소화기학회지 Vol.54 No.1
목적: 골수에서 유래한 세포들은 여러 병적인 환경에서 조직을 유지하는 데 기여한다. 저자들은 흰쥐의 실험 대장염에서 골수 이식 시 대장염의 치료에 대해 골수유래세포들의 역할을 알아보기 위해 연구를 시행하였다. 대상 및 방법: 실험에 사용한 흰쥐는 3개의 군으로 나누어 대조군 (50% ethanol), 2,4,6-trinitrobenzene sulfinic aicd (TNBS군) 장염군, TNBS+골수이식군(BMT군)으로 하였다. 장염을 유발하기 위해 50% 알코올에 녹인 TNBS (5.0 mg/마리)를 일주일에 한 번씩 2주 동안 항문을 통해 투여하였다. 동종 골수 이식은 TNBS 투여 3주 전에 green fluorescence protein (GFP)를 지닌 수컷 유전자 도입 쥐의 골수 세포를 야생형 생쥐의 꼬리 정맥에 투여하였다. 모든 동물은 TNBS 투여 후 일주일 후에 희생하여 대장을 추출하였다. 골수이식이 되었는지를 확인하기 위해 GFP에 대한 면역조직화학검사를 시행하였고 상피하 근육섬유모세포의 존재를 확인하기 위해 vimentin과 α-SMA에 대한 면역조직검사를 시행하였다. 결과: 장염의 정도는 TNBS군에서 가장 심하였고 골수이식에 의해 유의하게 감소하였다(p<0.05). GFP 양성 세포는 주로 선와의 니쉐 부위에서 염색되었으며 골수 이식군에서만 양성이었다. 근육섬유세포에 대한 vimentin, α-SMA에 대한 염색도 주로 선와 니쉐에서 양성이었고 대조군이나 TNBS군에 비해 골수 이식군에서 많았다. 결론: 흰쥐의 급성 대장염 치료에 골수이식은 효과적이며 골수유래세포는 선와니쉐 부위에서 근육섬유세포로 분화되어 장염의 치료에 관여한다. Background/Aims: Bone marrow-derived cells (BMDC) contribute to tissue maintenance under many kinds of pathologic conditions. We carried out a study to see how BMDC play a role in the treatment of experimental murine colitis. Methods: We divided the animals into 3 groups and treated them with 50% ethanol (control group), 2,4,6-trinitrobenzene sulfinic acid colitis (TNBS group), and TNBS+bone marrow transplant (BMT group). To induce colitis, TNBS (5.0 mg/mouse) dissolved in 50% ethanol was injected into anus weekly for two weeks. Bone marrow transplantations were performed using bone marrow of male transgenic mouse (donor) with green fluoresence protein (GFP) into female wild type mouse (recipient) three weeks before TNBS instillation. All animals were sacrificed, and colons were extracted one week after the last TNBS instillation. We measured microscopic scores of mucosal injury and investigated the GFP expression for bone marrow engraftment. The immunostaining of vimentin and α-smooth muscle actin (α-SMA) for myofibroblasts was performed. Results: The score of mucosal injury in the TNBS group was much more severe than those in control, and reduced significantly by BMT (p<0.05). GFP-positive cells were almost deposited in pericryptal niche of BMT group but not at all in both control and TNBS group. Most of myofibroblasts stained with both vimentin and SMA also infiltrated into pericryptal niche. But, the number of myofibroblasts stained with vimentin and SMA in both control and TNBS group was smaller than that in BMT group. Conclusions: BMDC deposited on pericryptal niche might have a significant role in repairing acute experimental murine colitis. (Korean J Gastroenterol 2009;54:20-27)
박병준 ( Byung Joon Park ),김용욱 ( Yong Wook Kim ),김태응 ( Tae Eung Kim ),맹이소 ( Lee So Maeng ) 대한산부인과학회 2008 Obstetrics & Gynecology Science Vol.51 No.11
Aggressive angiomyxoma is an uncommon soft-tissue neoplasm which affects the pelvis and genital organs of the young female predominantly. This tumor has a high tendency of local recurrence, but it usually does not develop metastasis. Although surgical excision with wide tumor-free margins may be necessary to obtain a complete cure, some of patients experience local recurrences. Many of the tumors are estrogen receptor (ER) and progesterone receptor (PR) positive and medical therapy with gonadotropin-releasing hormone (GnRH) agonists showed to be effective in a few cases. We present a case of 29-years-old women who has aggressive angiomyxoma which was misdiagnosed as bartholin duct cyst. She was treated by wide local excision with postoperative adjuvant GnRH agonist therapy for 3 months. She is now free of disease during 9 months of follow up. We have described this case with the brief of literature.