Surgical case reports

INTRODUCTION: Endometriosis-associated intestinal tumors (EAITs) are rare malignancies that arise from ectopic endometrial tissue, and their clinical and molecular characteristics remain poorly defined. CASE PRESENTATION: We report a 53-ye…

IntroductionColorectal metastasis from endometrioid carcinoma is exceedingly uncommon and has been reported only in isolated case reports. We describe a case of sigmoid colon metastasis occurring after a long disease-free interval following…

IntroductionTamoxifen (TAM) is a well-established treatment for hormone receptor-positive breast cancer with a known side-effect profile that includes hot flashes, genital bleeding, and diarrhea (0.1%-5%). Other notable side effects include…

IntroductionMyoepithelioma-like tumor of the vulvar region (MELTVR) is a mesenchymal neoplasm first reported in 2015 and typically develops from the inguinal to the vulvar regions of adult women.Case presentationHere we report the case of a…

IntroductionMesothelioma arises from mesothelial cells. This tumor is very rare among pediatric abdominal neoplasms. We herein report an extremely rare case of acute abdomen with cystic mesothelioma of the peritoneum in a child.Case present…

INTRODUCTION: While intestinal obstruction is common, intestinal endometriosis is relatively rare, making its etiology still poorly understood. We report a case of rectal obstruction caused by intestinal endometriosis with a frozen pelvis, …

Introductionvon Hippel-Lindau (VHL) disease is an autosomal dominant hereditary disorder characterized by the development of tumor-like lesions in multiple organs. While central nervous system hemangioblastomas, pancreatic neuroendocrine tu…

IntroductionBenign peritoneal multicystic mesothelioma (BPMM) is a rare mesothelial tumor with a high local recurrence rate and potential for malignant transformation. It predominantly affects women of reproductive age and is often associat…

BACKGROUND: Intussusception of the appendiceal endometriosis is rare. Although approximately 200 cases of appendiceal intussusception have been reported in the literature, very few have ever been diagnosed preoperatively. Here, we report th…

BACKGROUND: Ovarian endometriomas (OEs) are rarely found in the pediatric population, especially before menstruation. We report a 6-year-old girl who was postoperatively diagnosed with OE before menstruation. CASE PRESENTATION: A 6-year-ol…

BACKGROUND: Myeloid sarcoma (MS) is an extramedullary tumor constituted by myeloid blasts or immature myeloid cells. It frequently occurs in conjunction with acute myeloid leukemia (AML); however, it can exceptionally manifest in patients w…

BackgroundThe majority of colorectal malignancies are primary tumors. Secondary tumors are rare, and colorectal metastasis from endometrial carcinoma is exceptionally uncommon. We report a case of serous endometrial carcinoma that metastasi…

BackgroundHydrocele of the canal of Nuck (HCN) is a rare disease, and its indications for laparoscopic surgery are not well-established.Case presentationA 53-year-old woman was referred to our hospital due to an uncomfortable thumb-sized in…

BackgroundCA15-3 is often elevated in breast cancer recurrence and rarely in ductal carcinoma in situ (DCIS). We report a case of DCIS with elevated CA15-3 levels, which was diagnosed after over 2 years of follow-up.Case presentationA 74-ye…

BackgroundAppendiceal bleeding is very rare, accounting for about 0.4% of all lower gastrointestinal bleeding. We present a case of laparoscopic appendectomy in a patient with a diagnosis of appendiceal bleeding.Case presentationA 71-year-o…

BackgroundHydrosalpinx and pyosalpinx are rare gynecologic problems during adolescence, especially in girls without a history of sexual activity. They are even rarer in women with Hirschsprung's disease (HD). We herein report a case of pyos…

BackgroundHorseshoe 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 performing surgery for colorec…

BACKGROUND: 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 for the condition …

BackgroundBenign multicystic peritoneal mesothelioma (BMPM) is a benign tumor that usually occurs in middle-aged females. Although several published studies have reported the occurrence of this tumor in the abdominal cavity, few have docume…

BackgroundMixed neuroendocrine-non-neuroendocrine neoplasm (MINEN) is a rare disease and there is scarce literature on its diagnosis, treatment, and prognosis. We encountered two unusual cases of MINEN in the biliary tract, one in the ampul…

BackgroundGastric cancer rarely metastasizes to the gallbladder. Furthermore, there has never been a case report of simultaneous gallbladder metastasis from residual gastric cancer. Here, we report a case of synchronous gallbladder metastas…

BACKGROUND: Submucosal fecalith(s) mimicking submucosal tumors of the gastrointestinal lumen are rare. Moreover, accurate preoperative diagnosis of these entities is exceedingly difficult, and the mechanism(s) of their formation remains unc…

BACKGROUND: Chlamydial infection is a difficult-to-diagnose type of sexually transmitted disease that occurs mainly in young people. We report a case of bowel obstruction caused by intrapelvic adhesions formed by chlamydial infection. CASE …

BACKGROUND: Ectopic decidua is the presence of decidual tissue outside the uterus. Ectopic decidua of the appendix is a rare entity that can present with abdominal symptoms mimicking appendicitis. We report a case of a 39-year-old female pa…

BACKGROUND: Accurate diagnosis and complete resection of hydrocele of canal of Nuck (HCN) is still a challenge for surgeons. CASE PRESENTATION: A 28-year-old woman presented with a suspected inguinal hernia due to swelling in her right groi…