IB. Medical mycology | 26. Mycotic infections of the oral cavity

Question 1

I. Basics
1. What are the features of Candida albicans (yeast)?

Answer 1

• Member of the normal flora in oral cavity, GI, vagina
• Candida infection in patients with normal immunity→ oral sore
• Candida infection in patients with immunodeficiency → oral candidiasis, oesophagitis

Question 2

II. Oral candidiasis
1. What are the 3 main types of Oral candidiasis?

Answer 2

• Acute pseudomembranous candidiasis (thrush)
• Erythematous candidosis
• Chronic hyperplastic candidosis (oral leukoplakia)

Question 3

II. Oral candidiasis
2. What are the features of Acute pseudomembranous candidosis (thrush)?

Answer 3

• White raised lesions on buccal mucosa, gums, or tongue
• In infants, elderly, HIV infected, diabetic, cancer patient

Question 4

II. Oral candidiasis
3. What are the features of Erythematous candidosis?

Answer 4

• atrophic candidosis: antibiotic stomatitis
• chronic atrophic candidosis: denture stomatitis

Question 5

II. Oral candidiasis
4. What are the features of Chronic hyperplastic candidosis (oral leukoplakia)?

Answer 5

premalignant, translucent or dense, opaque white plaques on cheeks, tongue

Question 6

III. Angular cheilitis
1. What are the features of Angular cheilitis?

Answer 6

• Soreness, erythema and fissuring at corners of mouth
• Associated with ill-fitting dentures
• Caused by irritation or fungi (candida albicans and staph. Aureus)
• 20% of HIV infected patients

Question 7

IV. Chronic mucocutaneous candidiasis
1. What is Chronic mucocutaneous candidiasis?

Answer 7

oral manifestation of candidosis in patients with congenital immunological or endocrinological disorders