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Related Concept Videos

Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Pneumonia III: Complications and Assessment01:30

Pneumonia III: Complications and Assessment

Pneumonia poses the potential for numerous complications that warrant consideration. These complications include the following:

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Related Experiment Video

Updated: Jul 5, 2026

Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection
05:32

Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection

Published on: September 21, 2015

Nonpuerperal breast infection.

C M Casas1, M Pérez, J C Alados

  • 1Microbiology Service Virgen de las Nieves Hospital, Granada, Spain.

Infectious Diseases in Obstetrics and Gynecology
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

Proteus mirabilis is frequently found in persistent breast abscesses, often requiring surgery and antibiotics. This microbiological study highlights its significance in nonpuerperal breast infections.

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Last Updated: Jul 5, 2026

Povidone Iodine Rectal Preparation at Time of Prostate Needle Biopsy is a Simple and Reproducible Means to Reduce Risk of Procedural Infection
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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Surgical Infections

Background:

  • Breast abscesses are common, particularly in women.
  • Nonpuerperal breast abscesses can be challenging to treat.
  • Microbiological analysis is crucial for effective treatment strategies.

Purpose of the Study:

  • To conduct a microbiological investigation of purulent samples from women with symptomatic breast abscesses.
  • To identify the common microorganisms involved in nonpuerperal breast abscesses.
  • To assess the role of specific bacteria, such as Proteus mirabilis, in recurrent or difficult-to-treat cases.

Main Methods:

  • Collection of 51 purulent samples from 44 patients with nonpuerperal breast abscesses over two distinct periods.
  • Microbiological culture and identification of isolated microorganisms.
  • Analysis of bacterial flora, including aerobic, anaerobic, and polymicrobial infections.

Main Results:

  • Proteus mirabilis was a frequent isolate (20.4%), often in pure culture.
  • Staphylococcus aureus was identified in 10 specimens, with 6 associated with post-tumorectomy abscesses.
  • Polymicrobial anaerobic flora were found in 21.5% of samples; other bacteria and negative cultures were also noted.

Conclusions:

  • Proteus mirabilis is frequently isolated in recurrent and torpid breast abscesses.
  • Four patients with P. mirabilis infections required surgery in addition to antibiotic therapy.
  • The study emphasizes the importance of microbiological identification for managing complex breast abscesses.