About the Journal
Surgical Case Reports is an official journal of the Japan Surgical Society. This open access, peer-reviewed, online journal will consider any original case reports in the fields of gastroenterological surgery, cardiovascular surgery, thoracic surgery, breast and endocrine surgery, pediatric surgery,transplant surgery, acute care surgery, and abdominal wall surgery.
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The journal welcomes submissions from around the world.
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Case Report
February 21, 2026
INTRODUCTION: Fetus in fetu (FIF) is a rare congenital anomaly. The most common location of FIF is the retroperitoneum. FIF of testicular origin is extremely rare, with only 9 cases reported previously. We present a case of intratesticular FIF within an intra-abdominal undescended right testis and review previously reported cases to discuss the possibility of intratesticular FIF.
Case Report
February 21, 2026
INTRODUCTION: Head and neck cancer frequently coexists with synchronous or metachronous esophageal cancer, owing to shared carcinogenic exposures such as alcohol and tobacco use. In patients undergoing esophagectomy after total pharyngolaryngectomy (TPL), surgical reconstruction poses significant challenges due to dense adhesions and altered cervical anatomy. The McKeown procedure requires cervical manipulation, demanding careful preservation of the tracheal stoma and free jejunal graft blood supply. In contrast, the Ivor Lewis procedure eliminates the need for cervical maneuver but necessitates an intrathoracic anastomosis between the gastric conduit and the remnant esophagus. This raises concerns regarding potential ischemia of the remnant esophagus, particularly after prior TPL, in which proximal blood supply may be compromised. We report a case of successful robot-assisted Ivor Lewis esophagectomy after TPL, in which intraoperative indocyanine green (ICG) fluorescence imaging was used to confirm sufficient blood supply in the remnant esophagus and to ensure a safe anastomosis.
Case Report
February 20, 2026
INTRODUCTION: Neuroendocrine differentiation and α-fetoprotein production (AFP) are 2 rarely reported features in poorly differentiated gastric carcinomas. We report an extremely rare case of esophageal carcinoma (EC) featuring both histologic types.
Case Report
February 20, 2026
INTRODUCTION: Esophageal atresia (EA) Gross type A is a congenital malformation in which both the upper and lower esophagus have blind ends without a tracheoesophageal fistula. The gap between the segments is often long (long-gap EA), making intraoperative localization challenging. We report a case in which the lower esophageal blind end was readily localized using Tumguide (Otsuka Pharmaceutical Factory, Tokushima, Japan), a device that transmits biologically transparent red light from a light-emitting diode (LED) through an optical fiber.
Case Report
February 18, 2026
Laparoscopic Repair of a Sciatic Hernia Using a Self-Fixating Mesh: A Case Report
INTRODUCTION: A hernia that protrudes through the sciatic foramen is called a sciatic hernia and is classified as a pelvic hernia, although it is the rarest type. We aimed to report a case of elective laparoscopic repair of a sciatic hernia using a self-fixating mesh.
Case Report
February 13, 2026
The Realization of a Remote Robotic Breast Surgery
INTRODUCTION: While remote telesurgery has advanced fields like urology and general surgery, its application in breast oncology remains unreported. We present a successful case of remote robotic nipple-sparing mastectomy (rNSM), which preliminarily confirms its technical feasibility and perioperative safety.
Case Report
February 13, 2026
INTRODUCTION: Gastrointestinal metastasis from malignant pleural mesothelioma (MPM) is exceedingly rare and lacks a standardized diagnostic work-up
Case Report
February 13, 2026
Solitary Hepatic Metastasis of Thymoma: A Case Report
INTRODUCTION: Hepatic recurrence of thymomas is uncommon and its surgical treatment has rarely been reported. We report the case of a patient who underwent surgical resection for a solitary liver metastasis of a thymoma.
Case Report
February 13, 2026
A Successfully Treated Case of Pediatric Traumatic Gastric Rupture Caused by Seat Belt Injury
INTRODUCTION: Gastrointestinal tract injury is estimated to occur in 0.9%–1% of blunt trauma cases, with gastric rupture occurring in approximately 3% of these cases. Blunt trauma injuries of the stomach are rare. In comparison to solid organ injuries, gastrointestinal tract injuries are less likely to be accompanied by hemorrhaging that can cause hemorrhagic shock, and the process is considered to be relatively slow.
Case Report
February 11, 2026
INTRODUCTION: Hepatic hemangiomas have occasionally been identified in donor liver grafts. However, rupture of a hemangioma in the remnant liver following liver graft harvest in a living donor has not been documented.
Case Report
February 10, 2026
INTRODUCTION: A cancer of unknown primary site is a malignant tumor for which the primary site is unknown despite a thorough examination, and which has been histologically proven to be a metastatic lesion. Metastases to intraperitoneal and to gastric regional lymph nodes are rare.
Case Report
February 7, 2026
A Rare Case of Gastric Aberrant Pancreas Causing Bleeding from a Gastric Ulcer
INTRODUCTION: An aberrant pancreas is pancreatic tissue lacking anatomical and vascular continuity with the normal pancreas. It typically occurs in the gastrointestinal tract, especially in the stomach, duodenum, and small intestine. Most cases are asymptomatic and discovered incidentally during imaging or surgery. Gastric aberrant pancreas rarely presents with bleeding, making diagnosis and treatment decisions challenging.
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