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Related Concept Videos

Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

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A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial...
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Appendicitis-I: Introduction01:22

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The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
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Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
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The establishment of the oral microbiome begins before birth, challenging the long-held belief that the fetal oral cavity is sterile. The presence of oral microbes such as Streptococcus and Fusobacterium in amniotic fluid suggests that microbial exposure may occur in utero, potentially through translocation from the maternal oral or gastrointestinal tract. This early colonization primes the neonatal immune system and sets the stage for subsequent microbial succession. Maternal health,...
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Epidural anesthetics are administered in the fat-filled epidural space, the outermost part of the spinal canal. This technique is commonly employed for pain management and anesthesia during lower abdomen and pelvis surgeries or labor and delivery.
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Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
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Related Experiment Video

Updated: May 7, 2026

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
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Anorectal abscess during pregnancy.

Shinsuke Koyama1, Masaki Hirota, Masaki Kobayashi

  • 1Department of Obstetrics and Gynecology, Osaka Rosai Hospital, Sakai, Osaka, Japan.

The Journal of Obstetrics and Gynaecology Research
|October 15, 2013
PubMed
Summary

Anorectal abscess is a rare but serious pregnancy complication causing severe anal pain. Early diagnosis and surgical drainage during pregnancy can lead to successful outcomes and delivery.

Keywords:
anal painanorectal abscessanorectal symptompregnancyseton drainage

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Related Experiment Videos

Last Updated: May 7, 2026

A Murine Model of Fetal Exposure to Maternal Inflammation to Study the Effects of Acute Chorioamnionitis on Newborn Intestinal Development
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Transabdominal Ultrasound for Pregnancy Diagnosis in Reeves' Muntjac Deer
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Area of Science:

  • Obstetrics and Gynecology
  • Colorectal Surgery

Background:

  • Anorectal symptoms like hemorrhoids and anal fissures are common in pregnancy.
  • Severe anal pain during the third trimester may indicate an anorectal abscess.

Observation:

  • A case of anorectal abscess during pregnancy was diagnosed using magnetic resonance imaging.
  • The patient underwent incision and seton drainage at 36 weeks gestation.

Findings:

  • The abscess was successfully treated with surgical drainage.
  • The patient had a normal spontaneous delivery at 38 weeks gestation.

Implications:

  • This case highlights the importance of considering anorectal abscess in pregnant patients with severe anal pain.
  • Prompt diagnosis and management are crucial for favorable maternal and fetal outcomes.