• The Korean Journal of Pain
• /
• 제14권2호
• /
• pp.257-260
• /
• 2001

It is well known that bronchogenic carcinoma frequently metastasize to bony skeleton, although it is unusual for it to metastasize to soft tissue in the form of a musculoskeletal abscess. We report a bronchogenic cancer patient presenting with back pain after undergoing a celiac plexus block. Magnetic resonance imaging (MRI) demonstrated inflammation with an abscess of the paraspinal muscle from T12 to L5; however, it was subsequently diagnosed as a metastatic pleomorphic carcinoma by histopathological study.

• The Korean Journal of Pain
• /
• 제11권1호
• /
• pp.160-164
• /
• 1998

We report a case of epidural hematoma occuring after bloody tap during epi-dural catheter for cancer pain control in thrombocytopenic patient. Two hours after epidurl puncture, patient experienced severe back pain and numbness of both legs. Following day, patient complained of motor paralysis and urinary difficulty. Diagnosis utilizing magnetic reasonance imaging, showed epidural hematoma extending from $T_{11}$ to $T_{12}$. Thrombocytopenia prevented surgical intervention. Therefore we restored conservative therapy with packed red cell, platelet concentration, steroid and hemostatic, which provided complete neurologic recovery, spontaneously over several days without surgical intervention.

• Journal of Korean Neurosurgical Society
• /
• 제51권2호
• /
• pp.94-97
• /
• 2012

Tumors that metastasize to the pituitary gland are unusual, and are typically seen in elderly patients with diffuse malignant disease. The most common metastases to the pituitary are from primary breast and lung cancers. We report a 65-year-old woman with pituitary metastasis from breast cancer who presented with recent-onset left progressive deterioration of visual acuity and visual field. The clinical diagnosis was made after brain and sellar magnetic resonance imaging showed a large sellar mass compressing the optic chiasm and invading the pituitary stalk. An otorhinolaryngology and neurosurgery team removed the tumor via a transsphenoidal approach, and this procedure obtained symptomatic relief. Postoperatively, metastasis from breast invasive ductal adenocarcinoma was confirmed histologically. We report this unusual case with a review of the relevant literature.

• 대한기관식도과학회지
• /
• 제5권2호
• /
• pp.202-206
• /
• 1999

A carotid artery resection and replacement including neck dissection are used as a method of treatment for head and neck cancer with infiltration into the carotid artery. The recent development of imaging technique makes it easy to estimate the detailed anatomical relationship between the tumor infiltration into the carotid artery, it's resection and replacement are indicated at radical neck dissection. To detect any possibility of cerebral ischemia at the time of ligation of carotid artery, a temporary occlusion test of internal carotid artery with a ballon catheter (balloon occlusion test) is performed. Recently, we performed a carotid artery resection and replacement using an artificial vessel Gore-Tex) in a case of neck cancer with infiltration into the carotid artery.

• Nuclear Medicine and Molecular Imaging
• /
• 제42권sup1호
• /
• pp.1-5
• /
• 2008

Primary brain tumor accounts for 1.4% of entire cancer. For males between the ages of 15 and 34 years, central nervous system tumors account for the leading cause of cancer death. $^{18}F-FDG$ PET has been reported that it can provide important diagnostic information relating to tumor grading and differentiation from non- tumorous condition. In addition, the degree of FDG metabolism carries prognostic significance. By mapping the metabolic pattern of heterogeneous tumors, $^{18}F-FDG$ PET can aid in targeting for stereotactic biopsy by selecting the subregions within the tumor that are most hypermetabolic and potentially have the highest grade. According to clinical research data, FOG PET is expected to be a helpful diagnostic tool in the management of brain tumors.

• Asian Pacific Journal of Cancer Prevention
• /
• 제13권5호
• /
• pp.2081-2085
• /
• 2012

Background: To investigate the value of ultrasound elastography (UE) in the differentiation between benign and malignant enlarged cervical lymph nodes (LNs). Methods: B-mode ultrasound, power Doppler imaging and UE were examined to determine LN characteristics. Two kinds of methods, 4 scores of elastographic classification and a strain ratio (SR) were used to evaluate the ultrasound elastograms. Results: The cutoff point of SR had high utility in differential diagnosis of benign and malignant of cervical lymph nodes, with good sensitivity, specificity and accuracy. Conclusion: UE is an important aid in differential diagnosis of benign and malignant cervical LNs.

• 대한의용생체공학회:의공학회지
• /
• 제26권4호
• /
• pp.207-214
• /
• 2005

Breast cancer detection using electrical impedance techniques is based on numerous experimental findings that cancerous tissues have higher electrical conductivity values than normal tissues. Lately, by taking advantage of the structure of current flows underneath a planar probe of array electrodes, a mathematical formula to find lesions from a measured trans­admittance map has been derived. In order to experimentally validate its mathematical analysis and the suggested lesion estimation algorithm, we developed a 256-channel trans-admittance scanner (TAS) for probing anomalies underneath a planar array of electrodes. In this paper, we describe the design and implementation of the TAS. Its performance together with the lesion estimation algorithm was evaluated using saline phantoms. Further studies are proposed to validate the system on human subjects.

• Radiation Oncology Journal
• /
• 제36권4호
• /
• pp.254-264
• /
• 2018

This article reviewed new trends and controversial issues, including the intensification of chemotherapy and recent brachytherapy (BT) advances, and also reviewed recent consensuses from different societies on the management of locally advanced cervical cancer (LACC). Intensive chemotherapy during and after radiation therapy (RT) was not recommended as a standard treatment due to severe toxicities reported by several studies. The use of positron emission tomography-computed tomography (PET-CT) and magnetic resonance imaging (MRI) for pelvic RT planning has increased the clinical utilization of intensity-modulated radiation therapy (IMRT) for the evaluation of pelvic lymph node metastasis and pelvic bone marrow. Recent RT techniques for LACC patients mainly aim to minimize toxicities by sparing the normal bladder and rectum tissues and shortening the overall treatment time by administering a simultaneous integrated boost for metastatic pelvic lymph node in pelvic IMRT followed by MRI-based image guided adaptive BT.

• Medical Lasers
• /
• 제10권1호
• /
• pp.7-14
• /
• 2021

In cancer therapy, it is often desirable to use precision medicine that involves treatments of high specificity. One such treatment is the use of photo-triggered theranostic nanoparticles. These nanoparticles make it possible to visualize and treat tumors specifically in a controlled manner with a single injection. Several novel and powerful photo-triggered theranostic nanoparticles have been developed. These range from small organic dyes, semiconducting and biopolymers, to inorganic nanomaterials such as iron-oxide or gold nanoparticles, carbon nanotubes, and upconversion nanoparticles. Using photo-triggered theranostic nanoparticles and localized irradiation, complete tumor ablation can be achieved without causing significant toxicity to normal tissue. Given the great advances and promising future of theranostic nanoparticles, this review highlights the progress that has been made in the past couple of years, the current challenges faced and offers a future perspective.

• 대한영상의학회지
• /
• 제82권1호
• /
• pp.225-230
• /
• 2021

고립성 외안근 전이는 매우 드물게 나타나며, 그중에서도 양측 다발성 외안근 전이는 더욱 드물다. 횡문근육종은 주로 소아에게 생기는 드문 연조직 악성 종양으로, 고립성 외안근 전이를 일으키는 원발암 중 하나로 알려져 있다. 이에 저자는 부비동에서 발생한 횡문근육종 환자에서 발견된 양측 다발성 외안근 전이의 한 증례를 보고하고, 이와 더불어 이전에 보고된 횡문근육종의 고립성 외안근 전이 10예에 대해 간략히 고찰하고자 한다.