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Related Concept Videos

Esophagus01:24

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The esophagus, a muscular conduit linking the pharynx and stomach, measures roughly 10 inches (25.4 cm) and sits behind the trachea. It remains collapsed when not swallowing. The esophagus follows a predominantly straight path through the thoracic mediastinum and enters the abdominal cavity through a diaphragmatic opening known as the esophageal hiatus.
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Transesophageal ultrasound (EUS-B) is a safe and feasible procedure using the echoendobronchoscope (EBUS) in esophagus and stomach. After identifying six anatomical landmarks, additional structures can be identified and biopsied, sparing subsequent diagnostic sessions. Thus, EUS-B is an ideal continuation of bronchoscopy and EBUS in diagnosing lung cancer and other...
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Barrett's esophagus is a medical condition where the esophageal mucosa is significantly damaged by stomach acid or other digestive fluids, often due to long-term exposure associated with gastroesophageal reflux disease (GERD). In GERD, a weakened or abnormally relaxed lower esophageal sphincter allows stomach acid to flow persistently into the esophagus.
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Although black holes were theoretically postulated in the 1920s, they remained outside the domain of observational astronomy until the 1970s.
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Isolation of Myofibroblasts from Mouse and Human Esophagus11:18

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We present a protocol to generate primary cultures of murine and human esophageal stromal cells with a myofibroblast phenotype. Cultured cells have spindle shaped morphology, express α-SMA and vimentin, and lack epithelial, hematopoietic and endothelial cell surface markers. Characterized stromal cells can be used in functional studies of epithelial-stromal interactions.
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Dark Triad and Person Perception

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Person perception is influenced by both external behaviors and the observer’s internal characteristics, including personality traits. Individuals with dark personality traits, comprising psychopathy, Machiavellianism, and narcissism — collectively known as the dark triad – exhibit manipulative and exploitative tendencies in social contexts. These traits affect how they perceive others and how they are perceived.The Role of Dark Personality Traits in Person PerceptionBlack et...
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Related Experiment Video

Updated: Jan 19, 2026

Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound
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Author Spotlight: Advancing Biopsy Techniques with Transesophageal Ultrasound

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Black esophagus: exploring the dark.

Robert Forster1, Délcio Aparecido Durso1, Edoardo Filippo de Queiroz Vattimo2

  • 1Department of Internal Medicine - Hospital das Clínicas - Faculdade de Medicina - Universidade de São Paulo, São Paulo/SP - Brazil.

Autopsy & Case Reports
|September 19, 2019
PubMed
Summary
This summary is machine-generated.

Black esophagus, a rare condition in critically ill patients, often goes undiagnosed and has a high mortality rate. Treatment focuses on the underlying cause, acid suppression, and nil-per-os, with surgery for complications like stenosis.

Keywords:
Critical IllnessDiabetic KetoacidosisEsophageal DiseasesEsophagitis

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Area of Science:

  • Gastroenterology
  • Critical Care Medicine

Background:

  • Black esophagus is a rare clinical entity.
  • It is frequently underdiagnosed in severely ill patients.
  • This condition is associated with a high mortality rate.

Observation:

  • The mortality in black esophagus cases is typically attributed to comorbid conditions.
  • Treatment involves addressing the underlying cause, acid suppression, and maintaining nil-per-os.
  • Surgical intervention is reserved for complicated cases.

Findings:

  • Two cases of black esophagus are presented.
  • Literature review on black esophagus is provided.
  • Stenosis is identified as a feared long-term complication.

Implications:

  • Increased awareness and timely diagnosis of black esophagus are crucial.
  • Management strategies should focus on underlying causes and supportive care.
  • Understanding long-term sequelae like stenosis can guide patient management.