• Radiation Oncology Journal
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• v.35 no.2
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• pp.180-184
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• 2017

Patients with locally advanced lung cancer and very limited pulmonary function (forced expiratory volume in 1 second $[FEV1]{\leq}1L$) have dismal prognosis and undergo palliative treatment or best supportive care. We describe two cases of locally advanced node-positive non-small cell lung cancer (NSCLC) patients with very limited lung function treated with induction chemotherapy and moderate hypofractionated image-guided radiotherapy (Hypo-IGRT). Hypo-IGRT was delivered to a total dose of 45 Gy to the primary tumor and involved lymph nodes. Planning was based on positron emission tomography-computed tomography (PET/CT) and four-dimensional computed tomography (4D-CT). Internal target volume (ITV) was defined as the overlap of gross tumor volume delineated on 10 phases of 4D-CT. ITV to planning target volume margin was 5 mm in all directions. Both patients showed good clinical and radiological response. No relevant toxicity was documented. Hypo-IGRT is feasible treatment option in locally advanced node-positive NSCLC patients with very limited lung function ($FEV1{\leq}1L$).

• Journal of Gastric Cancer
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• v.11 no.1
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• pp.59-63
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• 2011

Borrmann type 4 gastric cancers are notorious for the difficulty of finding cancer cells in the biopsy samples obtained from gastrofiberscopy. It is important to obtain the biopsy results for making surgical decisions. In cases with Borrmann type 4 gastric cancer, even though the radiological findings (such as an upper gastrointestinal series, abdominal computed tomography and positron emission tomography/computed tomography) or the macroscopic findings of a gastrofiberscopy examination imply a high suspicion of cancer, there can be difficulty in getting the definite pathologic results despite multiple biopsies. In these cases, we have performed endoscopic mucosal resection under gastrofiberscopy as an alternative to simple biopsies. Here we report on a case in which no cancer cells were found even in the endoscopic mucosal resection specimen, but the radiologic evidence and clinical findings were highly suspicious for gastric cancer. The patient finally underwent total gastrectomy with lymph node resection, and she was pathologically diagnosed as having stage IV gastric cancer postoperatively.

• Nuclear Medicine and Molecular Imaging
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• v.40 no.5
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• pp.271-274
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• 2006

We report the case of a 64-year-old man with superior vena cava (SVC) syndrome due to tumor thrombus from recurrent hepatocellular carcinoma (HCC). He presented with new onset of facial swelling for 10 days. HCC was detected ten years ago. He has undergone repeated transcatheter arterial embolization (TAE) and chemotherapy. Chest computed tomography (CT) demonstrated tumor thrombus in the SVC extending to right atrium. He underwent whole body F-18 fluorodeoxyglucose(FDG) positron emission tomography/computed tomography (PET/CT) scanning for assessing the effect of TAE in HCC. F-18 FDG PET/CT showed increased uptake in the residual liver mass indicating viable tumor. There was another intense F-18 FDG accumulation in SUV extending to right atrium to suggest tumor thrombus. This case illustrates that F-18 FDG PET/CT is useful to identification of distant metastases as well as assessment of response to therapy in long-term survival HCC patients.

• The Journal of Internal Korean Medicine
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• v.29 no.3
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• pp.810-818
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• 2008

Objective : The aim of this case report is to drive further studies evaluating the effectiveness of Korean oriental medicine on extranodal marginal zone B cells of MALT (mucosa-associated lymphoid tissue) type lymphoma. Methods : This case report is about a patient who was diagnosed with extranodal marginal zone B cell of MALT type lymphoma, who refused chemotherapy and preferred to be treated with Korean oriental medicine. Neck, chest abdomen & pelvis with enhanced computed tomography (CT) and positron emission tomography computed tomography (PET-CT) were performed to evaluate the anticancer effect of Hangam-dan (HAD). Results : The patient diagnosed with MALT showed partial response after receiving 17 months of Korean oriental medical treatment. Neck, chest, abdomen & pelvic CT and PET-CT show decrease in size. Conclusion : This case report shows a possibility that Korean oriental treatment could offer potential benefits for patients with extranodal marginal zone B cell of MALT type lymphoma.

• Journal of Korean Traditional Oncology
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• v.19 no.1
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• pp.43-51
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• 2014

This report is aimed to investigate the effect of Integrative Medicine Therapy (IMT) in treating breast cancer metastasized to several portion. A 55-year-old woman who was diagnosed breast cancer and treated by breast conservation surgery (BCS) IN 2002. (pT2M0N0), adjuvant chemotherapy and radiotherapy till Jan. in 2013. But cancer had metastasized to sacrum (2009), liver (2012) and ribs (2013). Finally cause of several side effects of Xeloda(neuralgia and vommiting), she gave up to be treated by Xeloda and started to receive IMT including Abnoba Viscum, Vitamin C therapy Xeloda again, Korean herbal medicine and pharmacopuncture from Jul. in 2013. The effect was evaluated with Positron Emission Tomography and Computed Tomography (PET-CT) and Abdomen Computed Tomography (CT). The metastatic tumor in liver was disappeared and cancers to ribs, their size decreased after 12 months and pain of sacrum maintained VAS 2 continually. These results suggest that IMT is a therapeutic method to treat metastatic tumor originated from breast cancer.

• Journal of Korean Traditional Oncology
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• v.19 no.1
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• pp.33-41
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• 2014

This report is aimed to investigate the effect of Integrative Medicine Therapy (IMT) in treating metastasized ovary and endometrial cancer. A 51-year-old woman who was diagnosed double primary ovarian and endometrial cancer in 2009. The patient was treated with Laparoscopic Assisted Vaginal Hysterectomy (LAVH), Bilateral Salpingo Oophorectomy (BSO) Pelvic Lymph Node Dissection (PLND), adjuvant chemotherapy till Sep. in 2013. But metastases to Rt. External Iliac artery, Aortocaval area Lymph Nodes, Liver(caudate lobe), Rt. Buttock subcutaneous area, Lt. Gastric Area Lymph Nodes were found. Finally, the patient decided to be treated by IMT including Abnoba Viscum, Vitamin C, herbal medication and pharmacopuncture combined with chemotherapy. The efficacy was evaluated with Positron Emission Tomography and Computed Tomography (PET-CT) and Abdomen Computed Tomography (CT). The metastatic tumor in liver was disappeared and Rt. external iliac artery, aortocaval area Lymph Nodes, Rt. buttock subcutaneous area were also decreased after 6 months treatment. These results suggest that IMT may have a potential role for metastatic cancer.

• Nuclear Medicine and Molecular Imaging
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• v.41 no.4
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• pp.335-336
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• 2007

Meniscus-like presentation of ulcerating gastric carcinoma on upper gastrointestinal series radiograph was first described in 1921 by Carman and has since been known as a useful differential diagnostic sign in radiology. In 1982 using then newly introduced computed tomography (CT) Widder and Mueller revisited the meniscus sign. Their study was primarily focused on a dynamic assessment of the demonstrability of the meniscus sign that largely depends on the judgment and technical skill of examiner, especially graded compression and patient positioning. One year earlier Balfe et al. assessed the diagnostic reliability of gastric wall thickening as observed on CT scan in adenocarcinoma, lymphoma and leiomyosarcoma and concluded that it is not a reliable finding. In contrast, however, Lee et al. recently emphasized that the wall thickness measurement on CT of exophytic carcinoma, myoma and ulcers was a useful diagnostic means. Thus, it appears that gastric wall thickening or mucosal heave-up is by itself not as reliable as the meniscus sign. The electronic search of world literature failed to disclose earlier report of this sign demonstrated by $^{18}F-FDG$ positron emission tomography and computed tomography (PET/CT). The present communication documents $^{18}F-FDG$ PET/CT finding of the meniscus sign as encountered in a case of ulcerating gastric carcinoma, the histological diagnosis of which was moderately differentiated tubular adenocarcinoma. Unlike most gastric tumors without ulceration that tend to unimpressively accumulate $^{18}F-FDG$ the present case of Borrmann type III gastric carcinoma demonstrated markedly increased $^{18}F-FDG$ uptake.

• Journal of Gastric Cancer
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• v.11 no.4
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• pp.234-238
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• 2011

A 67 year old male at a regular checkup underwent esophagogastroduodenoscopy. On performing esophagogastroduodenoscopy, a lesion about 1.2 cm depressed was noted at the gastric angle. The pathology of the biopsy specimen revealed a well-differentiated adenocarcinoma. On performing an abdominal computed tomography (CT) scan & positron emission tomography-computed tomography (PET-CT) scan, no definite evidence of gastric wall thickening or mass lesion was found. However, lymph node enlargement was found in the left gastric and prepancreatic spaces. This patient underwent laparoscopic assisted distal gastrectomy and D2 lymph node dissection. On final examination, it was found out that the tumor had invaded the mucosal layer. The lymph node was a metastasized large cell neuroendocrine carcinoma with an unknown primary site. The patient refused chemotherapy. He opted to undergo a close followup. At the postoperative month 27, he had a focal hypermetabolic lesion in the left lobe of the liver that suggested metastasis on PET-CT scan. He refused to undergo an operation. He underwent a radiofrequency ablation.

• Investigative Magnetic Resonance Imaging
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• v.23 no.4
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• pp.367-373
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• 2019

Yolk sac tumors are rare malignant germ cell neoplasms that usually arise from the gonads. Extragonadal yolk sac tumors (EGYSTs) frequently occur in the mediastinum in post-pubertal females. EGYSTs in the pelvis are extremely rare, and to date, only thirteen cases have been reported in the English literature. Among them, the primary EGYST of the pelvic peritoneum in post-pubertal females has only been reported in ten cases. The present case describes a 26-year-old female diagnosed with primary peritoneal yolk sac tumor located in the rectouterine pouch. We report clinical and tumor imaging features, including ultrasound, computed tomography (CT), magnetic resonance images (MRI), positron emission tomography-computed tomography (PET-CT), and present a review of the literature.

• Tuberculosis and Respiratory Diseases
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• v.69 no.2
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• pp.129-133
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• 2010

Extramedullary plasmacytoma (EMP) is a rare disorder that typically occurs in the upper airway. Although the condition rarely arises in the lungs, a few cases have been reported. Here, we report a case of pulmonary plasmacytoma in 66-year-old man, who had been treated with VAD (vincrestine, adriamycin, dexamethasone) chemotherapy for multiple myeloma. The patient had been declared clear of multiple myeloma after 4 cycles of chemotherapy. Three months later, the patient had multiple masses visible on computed tomography (CT) and on positron emission tomography-computed tomography (PET-CT) with hot uptake. Subsequent studies using CT-guided needle biopsy and immunohistochemical stain showed pulmonary plasmacytoma. Bone marrow biopsy, serum, and urine M protein tests were repeated, showing no evidence of multiple myeloma. Pulmonary plasmacytomas, as extramedullary plasmacytomas, were considered an isolated manifestation of multiple myeloma recurrence. We treated the patient with concurrent chemoradiotherapy and the pulmonary plasmacytomas regressed dramatically.