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Trichobezoars are a rare medical condition, often requiring a surgical approach and commonly associated with an underlying psychiatric disorder. The Rapunzel syndrome is a rare variant of trichobezoar in the s...
A neurofibroma is a benign tumor that arises from Schwann cells and neurofibromas occur throughout the skin of neurofibromatosis type 1 (NF-1: Von Recklinghausen’s disease) patients. A retroperitoneal solitary...
Perforated gastric ulcers are life-threatening surgical emergencies that need early diagnosis and treatment to overcome severe complications. With the rise of obesity in recent years, intragastric balloons hav...
Patients on long-term dialysis are prone to hemorrhagic complications, particularly uremic bleeding, but gallbladder hemorrhage is rare, even in patients on dialysis. There have been occasional reports of a Di...
Inferior vena cava thrombosis is a severe disease as it carries a higher risk of developing pulmonary embolism associated with a high mortality rate. The incidence of inferior vena cava thrombosis is extremely...
With the improvement of optimal perioperative drug therapy for breast cancer patients, physicians now have to treat the adverse effects and comorbidities associated with long-term treatments. We report a case ...
Liver tumors with liver abscesses are unusual and rarely reported. In particular, studies of intrahepatic cholangiocarcinoma with liver abscesses due to hepatic actinomycosis have not been reported.
With the improved survival rate of patients with esophageal cancer, secondary cancers, including pharyngolaryngeal cancer, have become a problem. Phanryngolaryngeal cancer surgery often requires esophagogastri...
Gastrojejunocolic fistulas are a rare type of fistulas after a laparascopic Roux-en-Y gastric bypass (LRYGB). They are known as a chronic complication. This case report is the first to describe an acute perfor...
Esophageal hiatal hernia (EHH) presenting after gastrectomy for carcinoma is a type of internal hernia and very rare. There have been no published reports on the use of hand-assisted laparoscopic surgery (HALS...
Although distant metastasis in gastric cancer can be present at the time of the initial diagnosis, colonic metastasis is extremely rare. This report describes a case of simultaneous colonic metastasis of advan...
Anaplastic thyroid carcinoma (ATC) is the most aggressive form of thyroid carcinoma. Lenvatinib, a multikinase inhibitor, is rarely used in preoperative settings due to adverse effects including delayed wound ...
Gastrointestinal symptoms are one of the most common presentations of Coronavirus disease-19 (COVID-19), even in children. Higher rates of complicated appendicitis have been demonstrated in the era of the COVI...
Metastatic lung tumors rarely present with cystic formations. This is the first report of multiple cystic formations in pulmonary metastases from mucinous borderline ovarian tumors written in English.
There are many reports of port site recurrence after laparoscopic surgery for various types of cancer. However, only two cases of port site recurrence after laparoscopic pancreatectomy have been reported to da...
Laparoscopic surgery has reduced surgical morbidity and postoperative duration of hospital stay. Gas embolism is commonly known as a risk factor for all laparoscopic procedures. We report a case of severe cere...
Histiocytic sarcoma (HS) is a rare hematologic malignancy. HS of the breast is extremely rare, and we present a case of an elderly patient with breast HS.
In patients with acute severe ulcerative colitis with concomitant severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, the treatment strategy should consider the presence of pneumonia, respi...
Non-obstructive intestinal ischemia (NOMI) is caused by intestinal vascular spasm and has a poor prognosis if not diagnosed and treated early. Indocyanine green (ICG) fluorescence imaging has been reported to ...
Synovial sarcoma is a malignant tumor that constitutes up to 10% of all soft-tissue sarcomas. The most frequent metastatic sites of synovial sarcoma are the lungs, lymph nodes, and bone, whereas pancreatic met...
Primary hepatic extranodal marginal zone B-cell mucosa-associated lymphoid tissue (MALT) lymphoma is very rare, so it is difficult to diagnose preoperatively. And there is no established treatment for hepatic ...
Hepatic lymphorrhea is a rare and serious complication of surgery for digestive tract cancers and is thought to occur as a result of lymph node dissection of the hepatoduodenal ligament. This complication resu...
Ventral hernia repair (VHR) for obese patients is often associated with an increased risk of postoperative complications and hernia recurrences. Achieving preoperative weight loss is ideal before VHR; however,...
An 80-year-old man presented to our emergency department complaining of a mass on the right side of his chest and pain in the right flank of his back. A chest computed tomography (CT) scan showed a relatively ...
Segmental dilatation of the colon (SDC) is a rare disease that is characterized by an abrupt segment of dilated colon between regions of normal-sized colon. We herein report a case of SDC associated with Hirsc...
Muir–Torre syndrome is an autosomal-dominant mutation in mismatch repair genes that gives rise to sebaceous tumors and visceral malignancies over time. Because colorectal and genitourinary cancers are common i...
Ectopic gastric mucosa mainly occurs in the duodenal bulb, and its etiology is thought to be congenital straying of gastric tissues. Primary duodenal carcinoma is a rare disease; however, reports of carcinoma ...
Horseshoe kidney is one of the most common congenital renal fusion anomalies and is characterized by abnormalities in the position, rotation, vascular supply, and ureteral anatomy of the kidney. When performin...
Killian–Jamieson diverticulum, which is a relatively rare pharyngoesophageal diverticulum, is difficult to distinguish from Zenker’s diverticulum. Because major points of the relevant surgical procedures for t...
Mesentero-axial gastric volvulus (MAGV) is an uncommon subtype of gastric volvulus (GV). However, reports of such cases in adult patients are very rare. We present an unusual case of idiopathic MAGV in an old ...
Tumor-produced high molecular weight insulin-like growth factor-II (big insulin-like growth factor-II) is considered to cause non-islet cell tumor hypoglycemia. This paper presents a case of surgically resecte...
Spontaneous rapture of a germ cell tumor (GCT) metastases causing massive hemoretroperitoneum in a patient without choriocarcinoma component who has not received previous systemic chemotherapy is an exceedingl...
Malignant tumors with rhabdoid features are rare, highly aggressive, and some of them are characterized by SMARCB1 (INI1) loss. Although cases of rhabdoid carcinoma are extremely rare, its occurrence in the colon...
Atezolizumab plus bevacizumab therapy was recently introduced as the first line for unresectable advanced hepatocellular carcinoma (HCC), but immune-related adverse events (IrAEs) due to atezolizumab are a gre...
The finding of a vermiform appendix within the peritoneal sac of an inguinal hernia is called Amyand’s hernia. The reported incidence of Amyand’s hernia and femoral hernia is 1% and 3.8%, respectively. To our ...
Combined basilar subsegmentectomy via uniportal video-assisted thoracoscopic surgery is an extremely complex surgery. Moreover, no the existing reports describe the procedure and technique. Here, we present th...
Tumor embolization due to venous infiltration of breast cancer pulmonary metastases is very rare.
Inguinal endometriosis is a rare clinical disease with an unclear etiology and pathogenesis, and its diagnosis requires accurate medical history-taking and histological examination. However, surgical treatment...
Mesenteric venous thrombosis (MVT) and appendiceal diverticulitis are rare diseases. There has been no previous report on MVT complicating appendiceal diverticulitis. Herein, we report the first case of MVT co...
A solitary pulmonary nodule (SPN) poses a diagnostic challenge, which includes both a benign and malignant etiology. A size enlargement often indicates malignancy. We herein describe a case of a solitary pulmo...
Ischemic colitis affects the left colon in elderly individuals and localization on the right side, especially in the cecum, is rare. We report a case of gangrenous ischemic colitis localized in the cecum of a ...
A gastrocolic fistula is an unusual communication between the colon and the stomach. Although colon cancer is the most common malignant cause of gastrocolic fistula in the Western world, the incidence of gastr...
Rendu–Osler–Weber disease (Osler disease) is a genetic disease with an autosomal dominant inheritance pattern. It is characterized by widespread telangiectasia in multiple organs. Liver involvement of FNH is r...
The primary disease of Trousseau’s syndrome is often highly advanced cancer, and treatment of the primary disease after cerebral infarction is often difficult. We herein report a case of pancreatic head cancer...
We encountered two cases of a new type of retroperitoneal hernia. We herein report the unique features of these cases.
A muco-submucosal elongated polyp is a non-neoplastic growth composed of mucosa and submucosa. Although muco-submucosal elongated polyps are commonly reported in the large intestine, they are rare in the small...
Total pancreatectomy (TP) is often selected for treatment of various pancreatic diseases. However, the resultant lack of autoregulation of glycometabolism necessitates careful postoperative management.
Large tumors of serous cystic adenomas in the pancreatic body-to-tail severely compress the surrounding organs and retroperitoneal space.
Upper lumber hernia is a rare entity which can cause obstruction and strangulation. Laparoscopic technique has been considered effective for such hernia repairs; however, there is no report of use of the self-...
Kaposiform hemangioendothelioma (KHE) is a rare locally aggressive vascular neoplasm that occurs mainly in the pediatric population. KHE usually originates just underneath the skin and affects deeper tissues t...
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