Early hepatoid adenocarcinoma of the stomach with signet ring cell carcinoma: A case report and clinicopathological features.

Background: Hepatoid adenocarcinoma of the stomach (HAS) is a rare subtype of gastric cancer with poor prognosis, and its clinicopathological features are not well understood, so the pathology from the clinical biopsy is easily misdiagnosed, especially for special or atypical HAS. We present an extremely rare early HAS with signet ring cell carcinoma and evaluate its clinicopathological features.

Case Presentation: A 51-year-old female patient of Chinese Han ethnicity with upper abdominal pain for 5 years and worsened abdominal pain for 1 month was admitted to our hospital.

Endoscopic and pathohistologic features of early gastric signet ring cell carcinoma presented as elevated type: A case report.

Background: Almost all early gastric signet ring cell carcinomas (SRCCs) are the flat or depressed type, and the elevated type is rare. Here, we report the endoscopic and pathohistologic features of a rare case of SRCCs presented as the elevated type.

Case Presentation: A 54-year-old man underwent esophagogastroduodenoscopy in our hospital because of intermittent upper abdominal pain for 6 years.

Synchronous early gastric and intestinal mucosa-associated lymphoid tissue lymphoma in a -negative patient: A case report.

Background: Mucosa-associated lymphoid tissue (MALT) lymphoma occurs largely in the digestive tract, with the stomach being the most commonly affected organ, followed by the small intestine, large intestine, and esophagus. It is rarely found in both the stomach and colon. () infection is strongly associated with gastric MALT lymphoma, although there is a small number of -negative gastric MALT lymphomas.

Case report: New subtype of gastric adenocarcinoma arising from an infection-negative stomach: Foveolar epithelium and mucous neck cell-mixed type adenocarcinoma.

The characteristics of () infection-negative gastric cancer have not been well documented because of its rarity, despite several types of infection-negative gastric cancers being reported. In this report, we describe a case of early gastric cancer that developed without infection with characteristic magnifying narrow-band imaging and novel histological findings. The difficulty in making an accurate diagnosis and differential diagnosis is highlighted, with the goal of providing more clinical experience for the diagnosis of infection-negative gastric cancer.

Early verrucous cell carcinoma of the esophagus: a case report and endoscopic and histologic features.

Background: Verrucous cell carcinoma of the esophagus (VCCE) is an extremely rare tumor and generally detected at advanced stage. Despite of its slow growth and well differentiation, it has very poor prognosis with high mortality. Therefore, early detection is a critical to improve patients' survival.

Localized primary gastric amyloidosis: Three case reports.

Background: Localized primary gastric amyloidosis is a rare disorder characterized by the extracellular deposition of insoluble fibrillary protein in the stomach and can mimic various diseases on endoscopic examination, including gastrointestinal stromal tumors, gastric cancer and ulcers.

Case Summaries: Here, we report a series of three cases of localized gastric amyloidosis mimicking gastric mucosa-associated lymphoid tissue (MALT) lymphoma on endoscopic examination that were evaluated over the past ten years in our hospital. The different detection times of this rare disease resulted in three completely different outcomes, indicating the strong importance of early detection, diagnosis and treatment.

Gastric tuberculosis mimicking submucosal tumor: a case series.

Background: Gastric tuberculosis mimicking submucosal tumors is extremely rare and often misdiagnosed.

Case Presentation: Three cases of gastric tuberculosis mimicking submucosal tumors were identified among patients admitted to local county hospitals because of upper abdominal discomfort and pain, with gastroscopy showing gastric submucosal tumors. The patients were admitted to our hospital for endoscopic ultrasonography (EUS).

Endoscopic features and associated histology of an basaloid squamous cell carcinoma of the esophagus at the very early stage.

Background: Basaloid squamous cell carcinoma of the esophagus (BSCCE) is generally detected at advanced stage and the prognosis is poorer than advanced conventional esophageal squamous cell carcinoma. Therefore, early detection is a critical to improve patients' survival. However, only a few cases of early BSCCE have been reported and the endoscopic features of early BSCCE are not well described.

Multi-disciplinary team for early gastric cancer diagnosis improves the detection rate of early gastric cancer.

Background: Gastric cancer is a frequent malignant tumor worldwide and its early detection is crucial for curing the disease and enhancing patients' survival rate. This study aimed to assess whether the multi-disciplinary team (MDT) can improve the detection rate of early gastric cancer (EGC).

Methods: The detection rate of EGC at the Digestive Endoscopy Center, Affiliated Hospital, Zunyi Medical College, China between September 2013 and September 2015 was analyzed.

A modified endoscopic submucosal dissection for a superficial hypopharyngeal cancer: a case report and technical discussion.

Background: Adequate working space and a clear view for the dissected lesion are crucial for endoscopic submucosal dissection (ESD). Pharyngeal ESD requires that an otorhinolaryngologist creates working space by lifting the larynx with a curved laryngoscope. However, many countries do not have this kind of curved laryngoscope, and the devices could interfere with endoscope because of the narrow space of the pharynx.