• Journal of Veterinary Clinics
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• v.28 no.2
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• pp.267-270
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• 2011

Ovarian tumors in cows are uncommon and most are granulosa cell tumors. Bovine ovarian fibromas are extremely rare and tend to occur in older animals. This paper reports the case of a large ovarian mass found in a primiparous dairy cow which had shown no sign of cycling after calving. The mass continued to increase in size as detected during six-month serial observations by ultrasonography. An ovariectomy was subsequently performed and the growth was diagnosed as an ovarian fibroma by gross and microscopic examination. This case is the first report of an ovarian fibroma observed in a living dairy cow.

• Korean Journal of Clinical Laboratory Science
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• v.47 no.4
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• pp.298-305
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• 2015

Stem cell-like tumor cells are reported to be the main reason for tumor recurrence and metastasis. As one of the new approaches to overcome cancer, studies are emerging to inhibit the expressions of stem cell transcriptional factors (Oct4, Sox2, Klf-4, and Lin28) in cancer cells. MicroRNAs are master genetic regulators that can control development and differentiation of stem cells. In this study using various ovarian tumors (Skov3, Ovcar3, Tov112D, Tov21G, PA-1 and Hsc832(c)T), we examined the expressions of stem cell-related transcription factors, and the biological changes in cell survival and growth by miR-126 that targets stem cell transcriptional factors. We observed that treatment of miR-126 induced the morphological changes and cell suspension in most cells. In addition, miR-126 induced gradual regression of cell division except Skov3 cells, especially significant time-dependent reduction in Tov112D, Tov21G and PA-1. When we examined the expression of stem cell transcriptional factors, Sox2 was shown to be down-regulated after miR-126. Our results demonstrate that miR-126 treatment can provide the reversible environment to regulate cell division and to induce cell death of ovarian tumors, suggesting the molecular biological clues for clinical usage.

• Clinical and Experimental Reproductive Medicine
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• v.34 no.2
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• pp.87-94
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• 2007

Objective: To examine determinants of successful pregnancy and evaluate COH-IVF outcomes of infertile patients after conservative surgical treatment of borderline ovarian tumor (BOT). Methods: In women of BOT (n=93), from January 1995 to December 1999, 44 of 93 women underwent conservative surgical treatment. From theses 44 women, patients characteristics, surgical and histological parameters were compared between 14 women who conceived and 30 women who failed to conceive. For 5 infertile women of 30 women who failed to conceive, 10 attempt IVF cycles were analysed; clinical pregnancy rate (CPR), implantation rate (IR) and live birth rate (LBR). Results: Women who conceived tend to be younger (25.9 vs 27.0 years) and lower serum CA-125 level (59.7 vs 72.9) compared to women who failed to conceive without significant difference. For 8 cycles out of 10 attempt IVF cycles, except for 2 cancellation cycles, the mean number of oocytes retrieved was 5.6 (range 2$\sim$16) with a mean fertilization rate of 74.4%. The CPR, IR and LBR per embryo transfer were 50.0% (4/8 cycles), 31.6% (6/19) and 50.0% (4/8 cycles) respectively. During the mean follow-up period after COH-IVF initiation, 29.6 (range 14$\sim$61) months, no recurrence was found. Conclusion: No determinant of successful pregnancy was found after conservative treatment for BOT. COH-IVF may be considered for infertile patients after conservative treatment of BOT. However, larger clinical studies with longer follow-up are necessary to evaluate the safety and efficacy of COH-IVF. All patients should be informed of the potential risks associated with ovarian hyperstimulation and close follow-up is necessary after COH-IVF.

• Journal of the Korean Society of Radiology
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• v.84 no.3
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• pp.692-697
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• 2023

Clear cell borderline ovarian tumor (CCBOT) is quite rare, and only a few cases of CCBOT have been reported. Unlike most borderline ovarian tumors, CCBOTs appear solid because they are almost always pathologically adenofibromatous. Herein, we report the MRI findings of a CCBOT discovered in a 22-year-old female.

• Journal of the Korean Society of Radiology
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• v.79 no.6
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• pp.337-339
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• 2018

Parovarian cyst is usually simple cyst, and accounts for 10%-20% of adnexal masses. Borderline or malignant parovarian tumor is rare, and it contains papillary projection at the smooth inner wall. We report the ultrasonography, CT and MRI findings of a parovarian serous borderline tumor in 19-year-old female presenting left lower quadrant abdominal discomfort for 2 days.

• Journal of Korean Biological Nursing Science
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• v.8 no.2
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• pp.5-12
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• 2006

목적 : 본 연구는 암환자 및 암의 유형에 따라 중요한 종양억제 조절인자로 알려져 있는 모노카인을 flowcytometry를 이용하여 분석, 비교하고자 하였다. 방법 : 연구대상은 고형종양(solid tumor)으로 진단받은 33세에서 76세 사이의 암환자 30명(유방암, 난소암, 폐암, 위암)을 대상으로 말초혈액 단구의 intracellular monokine 중 $TNF{\alpha}$, MIG, MIP를 분석한 유사실험설계 연구이다. 연구결과 : 암환자 군에서의 $TNF{\alpha}$, MIG, MIP 수치는 대조 군인 정상 군에 비해서 유의하게 증가되었으며 특히, 유방암과 난소암 환자 군에서의 $TNF{\alpha}$ 수치는 폐암과 위암의 대상자에 비해 의미 있는 차이를 보여주었다. 논의 : 본 연구에서 제시된 암환자 군에서의 모노카인 수치는 선행연구의 결과와 통일하게 종양 대상자의 면역에 중요한 역할을 하는 것으로 규명 되었으나, $TNF{\alpha}$는 고형종양 중에서도 여성생식기계 암환자 군에서 더 증가하였다. 이에 따라 종양 유형에 따른 모노카인의 역할과 호르몬과의 상호작용기전 규명에 대한 추후 연구가 필요하다.

• Clinical and Experimental Pediatrics
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• v.53 no.4
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• pp.603-606
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• 2010

Paraneoplastic limbic encephalitis, a remote effect of cancer without nervous system metastasis, is rare, especially in childhood. Here, we report a case of paraneoplastic limbic encephalitis associated with an ovarian mature teratoma in an adolescent girl. The 15-year-old girl developed neuropsychiatric symptoms, memory loss, seizures, and unconsciousness. Cerebrospinal fluid analysis and brain magnetic resonance imaging (MRI) findings were normal, while single photon emission computed tomography imaging showed hypoperfusion in both temporal lobes. Ultrasound and MRI of the abdomen revealed a left ovarian cystic mass. The patient experienced a significant recovery of cognitive function after surgical resection of the tumor, which was pathologically identified as a mature ovarian teratoma, and treatment with intravenous immunoglobulin.

• Journal of the Korean Society of Radiology
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• v.81 no.4
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• pp.996-1002
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• 2020

Immunoglobulin G4-related disease (IgG4-RD) is a fibro-inflammatory condition characterized by several pathological features that can theoretically involve all organs. Ovarian involvement in IgG4-RD has been reported by two studies only. Herein, we report a pathologically confirmed case of ovarian involvement of IgG4-RD, which mimicked bilateral ovarian malignancies on computed tomography and magnetic resonance imaging.

• Journal of Yeungnam Medical Science
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• v.10 no.2
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• pp.417-422
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• 1993

Diagnosis of malignant germ cell tumors of the ovary is usually difficult because many ovarian neoplasms have similar clinical and radiologic manifestations. We reviewed retrospectively 12 cases of ovarian malignant germ cell tumor and evaluated with respect to size, mass characteristics on computed tomography for differential diagnosis. Endodermal sinus tumors were mainly cystic mass with some solid component and septations. Immature teratomas showed typical manifestations, such as fatty tissue, calcifications, cysts, and irregular shaped soft tissue densities. Dysgerminoma was mainly solid mass without cystic component, and mixed germ cell tumor showed nonspecific manifestations. All cases were relatively large in size, and young in age. In conclusion, CT findings of malignant germ cell tumors are helpful in differential disgnosis.

• Journal of Veterinary Clinics
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• v.30 no.4
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• pp.310-314
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• 2013

A 12-year-old, female mixed breed dog presented with a vaginal mass protruding outside the vulva. The patient was non-gravid, with normal defecation and urination. Serum chemistry revealed azotemia and increased alkaline phosphatase. Hematology findings were normal. Blood electrolytes showed mild hypernatremia. Ultrasonography demonstrated severely enlarged uterine horns, a uterine body with anechoic to hypoechoic fluids, and a focal hypoechoic area within the mass of the right uterine tube. On computed tomography, metastasis was not confirmed. Other computed tomography findings suggested a right ovarian cyst, an enlarged, fluid-filled uterus, and an enlarged vagina with a mass. Ovariohysterectomy, episiotomy, and vaginectomy were performed. The case was diagnosed as uterine tube adenocarcinoma, vaginal fibroma, and pyometra. This case is the first reported concurrent occurrence in dogs.