• 한국임상수의학회지
• /
• 제25권3호
• /
• pp.200-201
• /
• 2008

A case of cutaneous fibroma was diagnosed in the skin of the right hindlimb of a Korean indigenous cattle in Kyungpook province, Korea. Grossly, the protruding skin nodules consisted of a solitary mass $(1.5{\times}1.5{\sim}3.0{\times}3.0cm)$ above large grapelike warty nodules $(11.0{\times}11.0cm)$ on the leg. These masses were firm and rubbery, and the cut surface was gray to white. Histopathologically, the benign neoplastic nodules consisted of spindle-type fibroblasts with collagen. Melanoma, sarcoma, and fibropapilloma were excluded because there was no sign of melanin, muscle type cells, or epidermal proliferation. To our knowledge, this is the first report of a cutaneous fibroma in a Korean indigenous cattle in Korea.

• Archives of Plastic Surgery
• /
• 제42권4호
• /
• pp.475-477
• /
• 2015

We report the case of a 33-year-old male who presented with a malignant melanoma on his anterior chest wall. The lesion was only found in the red ink pigment of the tattoo, as were several in-transit dermal metastases. Possible explanations include a pre-existing lesion which was seeded with red ink or the possibility of the red ink causing an inflammatory reaction leading to malignant transformation. This is the first reported case of a melanoma developing in the red ink pigment of a multi-colored tattoo.

• Journal of Korean Neurosurgical Society
• /
• 제29권3호
• /
• pp.389-395
• /
• 2000

Arare case of primary malignant melanoma of central nervous system in 12-month-old infant with neuro-cutaneous melanosis is presented. Primary malignant melanomas in central nervous system are very rare in children, however, it is known that leptomeningeal melanosis is malignant in 40-50% with neurocutaneous melanosis. Spinal MRI, brain CT and MRI showed diffuse intradural extramedullary mass of entire spinal cord and enhancing mass in brain stem. CSF cytology revealed abnormal cells. Biopsy from leptomeninges of posterior fossa was compatible with malignant melanoma.

• Journal of Gastric Cancer
• /
• 제6권3호
• /
• pp.193-197
• /
• 2006

흑색종은 피부나 점막에 존재하는 멜라닌 세포에서 기원하는 악성 종양으로 피부에 가장 흔하게 발생한다. 위장관계 점막에서도 흑색종이 발생할 수 있는데 원발성은 매우 드물고 대부분은 피부의 원발성 흑색종으로부터 전이되어 나타난다. 위에 발생한 원발성 흑색종은 매우 드물고 치료 성적이 나쁘고 전이 속도가 빨라서 예후가 매우 나쁘다. 저자들은 혈변, 복통과 체중 감소를 주소로 내원한 75세 남자로 수술 전 진행성 위암으로 진단되어 위전절제술을 시행하였으나 수술 후 위 분문부의 원발성 흑색종으로 식도-위 접합부까지 침범한 증례를 경험하였기에 문헌 고찰과 함께 보고하는 바이다. 흑색종 치료에서 수술은 가장 표준적인 치료법이다. 수술 후 보조 요법으로 항암화학요법, 방사선 치료, 면역 치료 등을 시도해 보았지만 생존율 증가가 입증된 치료 방법은 아직 없는 실정이다. 장기간 생존율을 향상시키기 위해서는 조기 진단과 수술적 치료가 가장 중요하다.

• 한국발생생물학회지:발생과생식
• /
• 제25권2호
• /
• pp.93-104
• /
• 2021

Cutaneous melanoma is a fatal disease for patients with distant metastasis. Metformin is the most widely used anti-diabetic drug, and proved to suppress cell proliferation and metastasis in diverse cancers including melanoma. We previously reported that MEK inhibitor trametinib increases the expression of epithelial-mesenchymal transition (EMT) regulators and melanoma cell motility, which are suppressed by addition of metformin in A375 melanoma cells. To confirm our findings further, we first evaluated the effect of metformin in combination with another MEK inhibitor binimetinib on cell viability in G361 melanoma cells. We then investigated whether binimetinib affects the expression of EMT regulators and cell motility. We finally monitored the effect of metformin on binimetinib-induced cell migration. Cell viability assay showed that combination index (CI) value at ED₅₀ is 0.80, suggesting synergy for the combination of metformin with binimetinib. Our results also revealed that binimetinib increased the expression of EMT regulators such as integrin αV, fibronectin and slug, which correlate well with the enhanced cell migration in wound healing assay. Metformin, on the contrary, suppressed the expression of sparc, integrin αV, fibronectin and N-cadherin with the reduced cell motility. The combination treatment showed that metformin counteracts the binimetinib-induced increase of cell motility. Overall, these results suggest that metformin with binimetinib might be useful as a potential therapeutic adjuvant against cell survival and metastatic activity in melanoma patients.

• Annals of Surgical Treatment and Research
• /
• 제95권5호
• /
• pp.286-296
• /
• 2018

Purpose: Sentinel lymph node (SLN) biopsy (SLNB) is widely accepted for staging of melanoma patients. It has been shown that clinico-pathological features such as Breslow thickness, ulceration, age, and sex are better predictors of relapse and survival than SLN status alone. The aims of this study were to evaluate the long-term (10-year) prognostic impact of SLNB and to determine predictive factors associated with SLN metastasis, relapse, and melanoma specific mortality (MSM). Methods: This was a prospective observational study on 289 consecutive patients with primary cutaneous melanoma who underwent SLNB from January 2000 to December 2007, and followed until January 2014, at an Italian academic hospital. Results: SLN was positive in 64 patients (22.1%). The median follow-up was 116 months (79-147 months). Tenyear disease-free survival and melanoma specific survival were poor in patients with positive SLN (58.7% and 66.4%, respectively). Only the increasing Breslow thickness resulted independently associated to an increased risk of SLN metastasis. Cox regression analysis showed that a Breslow thickness >2 mm was an independent predictor of relapse, and male sex and Breslow thickness >2 mm was a predictor of MSM. At 10 years, SLN metastasis was not significantly associated to either relapse or MSM. Conclusion: After the fifth year of follow-up, SLN metastasis is not an independent predictive factor of relapse or mortality which are mainly influenced by the characteristics of the primary tumor and of the patient. Patients with a Breslow thickness >2 mm regardless of the SLN status should be considered at high risk for 10-year relapse and mortality.

• Journal of the Korean Association of Oral and Maxillofacial Surgeons
• /
• 제34권6호
• /
• pp.611-615
• /
• 2008

The prognosis of oral malignant melanoma is poor compared with cutaneous melanoma. It may be related to the difficulty of wide enough resection, the early hematogenous matastases, higher stage at initial diagnosis, and tendency to growth vertically. In the view of histological differences between oral mucosa and skin, it is impossible use Clark's and Breslow's classifications for prognosis. The great problem is that there is still no consensus on the treatment due to rarity. Because data collection from case reports is considered to be the best source of information and should be pooled to analyze key determinants of outcome, We analysed 6 cases of primary malignant melanoma of the oral cavity which were diagnosed and treated in Pusan National University Hospital on recent 7 years and reviewed the literatures. Immunohistochemical study on S 100 Protein, GP 100 (HMB-45) with biopsy was usable to confirm the melanoma. Three patients who were treated by surgery, chemotherapy are alive, but a patients who couldn't received benefit care surgically due to poor condition was died of distant metastasis, and two patients who refused to surgery are still alive. Neck dissection including wide excision is recommended if lymph node involvement is suspected. Additionally, adjuvant chemotherapy could be considered as supporting therapy for malignant melanoma.

• 대한두개안면성형외과학회지
• /
• 제18권2호
• /
• pp.145-148
• /
• 2017

Cutaneous leiomyosarcoma is an uncommon superficial soft tissue sarcoma and mainly found in the middle aged to elderly males. It can occur in any part of the body, mostly affecting the extremities and rarely affecting the face. It grows relatively slowly, can be diagnosed by biopsy and is treated by surgical excision. It needs to be distinguished from other spindle cell neoplasms, and immunohistochemical markers are usually required to attain an accurate diagnosis. We report a case of cutaneous leiomyosarcoma appeared on the left cheek within 6 month of a 73-year-old female patient suspected with malignant melanoma before surgery

• 대한한의학회지
• /
• 제35권4호
• /
• pp.98-103
• /
• 2014

Objectives: Advanced malignant melanoma (MM) has a poor prognosis, with an expected 2-year survival rate of 10 to 20%. It has long been recognized as an immunogenic tumor, and is worse for elderly patients. Many studies have suggested that herbal treatments improve immune functions, but few clinical studies have reported on this topic. Patients and History: We present two cases of female patients (72 and 77 years old, respectively) with advanced MM. The 72-year-old female patient was, at first, diagnosed with MM with multiple bone metastases. She received resection of the primary lesion, but refused further chemotherapy. The 77-year-old female patient was diagnosed with cutaneous MM of the left heel, with suspicion of sentinel node lymphadenopathy; however, she also refused any conventional treatment due to old age. Course of Therapy and Results: Both patients were exclusively treated with standardized allergen-removed Rhus verniciflua stokes (aRVS) extract combined with Bojungikki-tang (BT, Bu-Zhong-Yi-Qi-Tang in Chinese or Hochu-ekki-to in Japanese). Both patients are still alive and doing well (Feb. 2014), demonstrating that the 72-year-old patient has lived for 27 months and the 77-year-old patient has lived for 31 months without disease progression since the aRVS and BT administration. Conclusion: We suggest that the combination of aRVS extract and BT could be a candidate for overcoming the cancer's immunoediting process especially for elderly MM patients intolerant of conventional treatment.

• Radiation Oncology Journal
• /
• 제21권3호
• /
• pp.245-249
• /
• 2003

여성의 질에 발생하는 원발성 악성 흑색종은 매우 드문 질환으로 알려져 있다. 질의 원발성 흑색종은 피부나 외음부에 발생하는 원발성 흑색종에 비해 매우 빠른 임상경과를 나타낸다. 본 증례는 58세의 폐경기 여자환자로 종양 크기가 비교적 큰 흑색종이 하부 질에 있었으며, 작은 색소침착된 병변이 자궁경부에 보였다. 환자는 수술적인 처치 없이 통상 분할 외부방사선 조사와 근접방사선 치료 만을 시행하였다 치료 후 원발병소는 부분관해를 보였으나, 진단 후 4.5개월만에 다발성 원격전이로 사망하였다. 종양크기가 큰 흑색종이 질에 발생한 경우 방사선치료 단독으로도 만족할만한 국소제어를 보였지만, 본 증례와 같이 종양의 크기가 큰 예에서는 소분할방사선 조사와 수술적인 종양제거로 국소치료기간을 단축하고, 전신적인 치료를 고려하여 조기에 발생하는 원격전이를 막기 위한 치료가 고려되어야 할 것으로 사료된다.