6.4. Skin and Soft Tissue Infection - Hair Associated Infections Flashcards
What are the 3 types of Hair Associated Infections?
- Folliculitis
- Furunculosis
- Carbuncles
What are the 2 Types of Folliculitis?
- Superficial Folliculitis
- Deep Folliculitis
What does Superficial Folliculitis involve?
Erythema and Pustule in a Single Follicle
What does Deep Folliculitis involve?
Extensive Follicular Involvement
How is Folliculitis described?
Circumscribed, Pustular infection of a Hair Follicle
How large can Folliculitis be?
Up to 5mm Diameter
How does Folliculitis present?
- Smell Red Papules
- Central area of Pupulence that may rupture and drain
Where does Folliculitis commonly present?
- Head
- Back
- Buttocks
- Extremities
What is the most common causative organism of Folliculitis?
- Staphylococcus Aureus
Are constitutional symptoms seen with Folliculitis?
No, not very often, it is a benign condition
How is Furunculosis described?
Red, Tender Nodule surrounding a Follicle with 1 draining point
What is Furunculosis commonly referred to as?
Boils
How many hair follicles are associated with the inflammatory nodule?
1
Where does Furunculosis extend to, in relation to layers of the skin?
- Dermis
- Subcutaneous Tissue
Where does Furunculosis normally present?
Moist, hairy, friction-prone areas of the body:
1. Face
2. Axilla
3, Neck
4. Buttocks
What may naturally happen to Furunculosis?
It may spontaneously drain the purulent material
What is the most common causative organism of Furunculosis?
Staphylococcus Aureus
Are Systemic Symptoms common in Furunculosis?
No, they are uncommon
What are the risk factors of Furunculosis?
- Obesity
- Diabetes Mellitus
- Atopic Dermatitis
- Chronic Kidney Disease
- Corticosteroid use
How is a Carbuncle described?
A deep Follicular Abscess of several follicles with several draining points (Multisepates Abscess)
When do Carbuncles occur?
When infection extends to involve multiple Furuncles
Where are Carbuncles often located?
- Back of the Neck
- Posterior Trunk
- Thigh
How many sites can the purulent material from Carbuncles be expressed from?
Multiple
Are constitutional symptoms common with Carbuncles?
Yes
What is the treatment of Folliculitis?
- No treatment
- Topical Antibiotics (if necessary)
What is the treatment of Furunculosis?
- No treatment
- Topical Antibiotics (if necessary)
- Oral antibiotics (if severe)
What is the treatment of Carbuncles?
Admission to Hospital for surgery and I.V. Antibiotics
