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Questions and Answers
A patient presents with a painful, raised nodule exhibiting necrotic tissue. The physician suspects a furuncle. Which of the following is the MOST likely causative agent?
A patient presents with a painful, raised nodule exhibiting necrotic tissue. The physician suspects a furuncle. Which of the following is the MOST likely causative agent?
- Staphylococcus aureus (correct)
- Pseudomonas aeruginosa
- Streptococcus pyogenes
- Escherichia coli
A patient is diagnosed with furunculosis. Which of the following BEST describes this condition?
A patient is diagnosed with furunculosis. Which of the following BEST describes this condition?
- Multiple, recurring furuncles. (correct)
- A single, isolated boil on the skin surface.
- An allergic reaction mimicking a boil.
- A deep-seated infection of a hair follicle.
A patient's furuncle extends into the dermis and subcutaneous tissue, forming an extensive, multiloculated abscess. This condition is BEST described as:
A patient's furuncle extends into the dermis and subcutaneous tissue, forming an extensive, multiloculated abscess. This condition is BEST described as:
- Folliculitis
- Cellulitis
- Carbuncle (correct)
- Furunculosis
Which of the following is the MOST appropriate initial treatment approach for a furuncle?
Which of the following is the MOST appropriate initial treatment approach for a furuncle?
A patient with a small furuncle is prescribed topical mupirocin. What is the MOST likely mechanism of action of this medication?
A patient with a small furuncle is prescribed topical mupirocin. What is the MOST likely mechanism of action of this medication?
A patient with a carbuncle is prescribed cloxacillin. What is the MOST likely mechanism of action of this medication?
A patient with a carbuncle is prescribed cloxacillin. What is the MOST likely mechanism of action of this medication?
A patient is allergic to penicillin. Which of the following antibiotic options would be MOST appropriate for treating a furuncle caused by Staphylococcus aureus?
A patient is allergic to penicillin. Which of the following antibiotic options would be MOST appropriate for treating a furuncle caused by Staphylococcus aureus?
Which of the following is the PRIMARY difference between a furuncle and folliculitis?
Which of the following is the PRIMARY difference between a furuncle and folliculitis?
A patient has recurrent furuncles despite multiple courses of antibiotics. What underlying condition should be considered as a potential contributing factor?
A patient has recurrent furuncles despite multiple courses of antibiotics. What underlying condition should be considered as a potential contributing factor?
Why is it important to avoid squeezing or attempting to drain a furuncle at home?
Why is it important to avoid squeezing or attempting to drain a furuncle at home?
Flashcards
Furuncle (boil)
Furuncle (boil)
Extension of folliculitis into deeper tissues, presenting as a large, painful, raised nodule with necrotic tissue.
Furunculosis
Furunculosis
Multiple, recurrent furuncles.
Carbuncle
Carbuncle
Extensive multiloculated abscess formed by the extension of furuncles into the dermis and subcutaneous tissue.
Furuncle Treatment
Furuncle Treatment
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Cause of Furuncles
Cause of Furuncles
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Study Notes
- Furuncles, also known as boils, are an extension of folliculitis into deeper tissues.
- Symptoms include a large, painful, raised nodule containing necrotic tissue.
- Furuncles may drain spontaneously or require surgical incision.
- Staphylococcus aureus is the causative agent.
Types
- Solitary furuncles are single occurrences.
- Furunculosis involves multiple, recurrent furuncles.
- Carbuncles, extensive multiloculated abscesses, result from the extension of the infection into the dermis and subcutaneous tissue.
Treatment
- Treatment includes drainage and antibiotics.
- Effective antibiotics include: mupirocin, cloxacillin, clindamycin, cefadroxil, and macrolides.
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