Purpose: Since 1995, the Korean Gastric Cancer Association (KGCA) has been periodically conducting nationwide surveys on patients with surgically treated gastric cancer. This study details the results of the survey conducted in 2023. Materials and Methods: The survey was conducted from March to December 2024 using a standardized case report form. Data were collected on 86 items, including patient demographics, tumor characteristics, surgical procedures, and surgical outcomes. The results of the 2023 survey were compared with those of previous surveys. Results: Data from 12,751 cases were collected from 66 institutions. The mean patient age was 64.6 years, and the proportion of patients aged ≥71 years increased from 9.1% in 1995 to 31.7% in 2023. The proportion of upper-third tumors slightly decreased to 16.8% compared to 20.9% in 2019. Early gastric cancer accounted for 63.1% of cases in 2023.Regarding operative procedures, a totally laparoscopic approach was most frequently applied (63.2%) in 2023, while robotic gastrectomy steadily increased to 9.5% from 2.1% in 2014.The most common anastomotic method was the Billroth II procedure (48.8%) after distal gastrectomy and double-tract reconstruction (51.9%) after proximal gastrectomy in 2023.However, the proportion of esophago-gastrostomy with anti-reflux procedures increased to 30.9%. The rates of post-operative mortality and overall complications were 1.0% and 15.3%, respectively. Conclusions The results of the 2023 nationwide survey demonstrate the current status of gastric cancer treatment in Korea. This information will provide a basis for future gastric cancer research.

Purpose: Since 1995, the Korean Gastric Cancer Association (KGCA) has been periodically conducting nationwide surveys on patients with surgically treated gastric cancer. This study details the results of the survey conducted in 2023. Materials and Methods: The survey was conducted from March to December 2024 using a standardized case report form. Data were collected on 86 items, including patient demographics, tumor characteristics, surgical procedures, and surgical outcomes. The results of the 2023 survey were compared with those of previous surveys. Results: Data from 12,751 cases were collected from 66 institutions. The mean patient age was 64.6 years, and the proportion of patients aged ≥71 years increased from 9.1% in 1995 to 31.7% in 2023. The proportion of upper-third tumors slightly decreased to 16.8% compared to 20.9% in 2019. Early gastric cancer accounted for 63.1% of cases in 2023.Regarding operative procedures, a totally laparoscopic approach was most frequently applied (63.2%) in 2023, while robotic gastrectomy steadily increased to 9.5% from 2.1% in 2014.The most common anastomotic method was the Billroth II procedure (48.8%) after distal gastrectomy and double-tract reconstruction (51.9%) after proximal gastrectomy in 2023.However, the proportion of esophago-gastrostomy with anti-reflux procedures increased to 30.9%. The rates of post-operative mortality and overall complications were 1.0% and 15.3%, respectively. Conclusions The results of the 2023 nationwide survey demonstrate the current status of gastric cancer treatment in Korea. This information will provide a basis for future gastric cancer research.

Purpose: Since 1995, the Korean Gastric Cancer Association (KGCA) has been periodically conducting nationwide surveys on patients with surgically treated gastric cancer. This study details the results of the survey conducted in 2023. Materials and Methods: The survey was conducted from March to December 2024 using a standardized case report form. Data were collected on 86 items, including patient demographics, tumor characteristics, surgical procedures, and surgical outcomes. The results of the 2023 survey were compared with those of previous surveys. Results: Data from 12,751 cases were collected from 66 institutions. The mean patient age was 64.6 years, and the proportion of patients aged ≥71 years increased from 9.1% in 1995 to 31.7% in 2023. The proportion of upper-third tumors slightly decreased to 16.8% compared to 20.9% in 2019. Early gastric cancer accounted for 63.1% of cases in 2023.Regarding operative procedures, a totally laparoscopic approach was most frequently applied (63.2%) in 2023, while robotic gastrectomy steadily increased to 9.5% from 2.1% in 2014.The most common anastomotic method was the Billroth II procedure (48.8%) after distal gastrectomy and double-tract reconstruction (51.9%) after proximal gastrectomy in 2023.However, the proportion of esophago-gastrostomy with anti-reflux procedures increased to 30.9%. The rates of post-operative mortality and overall complications were 1.0% and 15.3%, respectively. Conclusions The results of the 2023 nationwide survey demonstrate the current status of gastric cancer treatment in Korea. This information will provide a basis for future gastric cancer research.

Marjolin’s ulcer is a malignant skin tumor that arises at the site of scars, chronic ulcerations, inflammations, and fistulas after a long latent period. These tumors are mostly squamous cell carcinomas; however, other types of malignancies, such as basal cell carcinoma, malignant melanoma, and sarcoma rarely occur. Marjolin’s ulcer have aggressive characteristics, and local recurrence and lymph node metastasis rates are higher than those of cutaneous primary tumors. Herein, we report an unusual case of squamous cell carcinoma at the site of an arteriovenous fistula ulcer treated with repeated radical operation and skin graft.

Acroangiodermatitis (AAD) is a rare reactive vasculo-proliferative disorder associated with chronic venous hypertension. Owing to its clinical and histological similarities to Kaposi sarcoma, AAD is also known as pseudo-Kaposi sarcoma. AAD is characterized by several clearly defined red-purple papules, plaques or ulcerations located on the dorsum of the foot and medial lower limbs. We describe the case of a 36-year-old woman who had multiple red-purple papules and plaques on the dorsum of the right foot area. A skin biopsy was performed, and histopathological examination revealed the presence of multiple capillaries lined by a single layer of endothelial cells surrounded by hemosiderin deposits. No specific histological features of Kaposi sarcoma were observed. Immunohistochemical analysis showed CD31＋ positivity in endothelial cells. The patient was diagnosed with AAD and the lesions have shown no remission for the past 7 years. Therefore, follow-up biopsies are performed every 2 or 3 years to monitor for any potential malignant changes.

Eosinophilic annular erythema (EAE) is an uncommon, recurrent eosinophilic cutaneous disease, and its etiology has not been clearly elucidated. Clinically, EAE occurs mainly in the form of annular or round erythematous, edematous plaques on the trunk or extremities. Histopathologically, it is characterized by superficial and deep perivascular inflammatory cell infiltration composed of lymphocytes and eosinophils. Based on this, some studies have stated that EAE is not an isolated rare disease but rather a spectrum that shares features similar to Wells syndrome. Herein, we report a case of EAE in a 28-year-old female patient. The clinical features were recurrent annular, erythematous patch on the both extremities. Histopathologic examination demonstrated superficial infiltrates of lymphocytes and eosinophils in the dermis. Based on the clinical and histological features, this case was diagnosed as EAE.

Nodular melanoma is a malignant melanoma which presents as blackish-brown or colorless nodules. Nodular melanoma shows rapid growth compared to other melanoma subtypes, and often exhibits clinical features that do not correspond to the ABCD rules, which is key in differentiating melanoma. This makes nodular melanoma difficult to differentiate from the initially suspected melanoma. As such, diagnosis of nodular melanoma is commonly delayed, and is therefore often identified at an advanced stage. Here, we report a case of nodular melanoma in a young man with a family history of melanoma. We emphasize the importance of early diagnosis through biopsy for malignant melanoma, which is difficult to differentiate based on clinical features.