orofacial infection

Question 1

clinical presentation of mycobacteria lymphadenitis

Answer 1

Painless enlarging neck mass
if non tuberculous – long standing neck mass without systemic signs and symptoms
Anterior cervical nodes mainles

Question 2

Diagnosis of mycobacteria lymphadenitis

Answer 2

Fine needle aspiration biopsy

–> necrotising granulomas often associated with giant cells

Question 3

Treatment of mycobacteria lymphadenitis

Answer 3

Long term antibiotics

Surgical excision

Question 4

Clinical presentation of actinomycosis

Answer 4

Sappurative inflammatory reaction
Presence of sulfur granules
Formation of multiple abscesses and sinus tracts
Painless soft tissue swelling involving submandibular area
Nodular mass at angle of jaw

Question 5

Actinomycosis histology

Answer 5

Gram positive, branching filaments

Filamentous bacteria surrounded by neutrophils

Question 6

Actinomycosis treatment

Answer 6

Penicillin/amoxicillin

Surgery to debride

Question 7

Head and neck manifestation of HIV

Answer 7

Oral mucosal ulcerations due to neutropenia
Xerostomia from long term HIV meds
Chronic sinusitis
Painless lymphoid hypertrophy
Kaposi sarcoma (red/purple, painless)

Question 8

Manifestation of primary HSV1 infection

Answer 8

Acute herpetic gingivostomatitis

Question 9

VZV is latent in the

Answer 9

dorsal root ganglia

Question 10

How can VZV cause ramsay hunt syndrome

Answer 10

VZV latent in sensory ganglion of facial nerve –> reactivation lead to Ramsay Hunt syndrome (periphreal facial palsu, pain in ear and face, vesicles in external ear canal)

Question 11

EBV is linked to

Answer 11

Burkitt’s lymphoma (africa)
NPC (asia)
hairy leukoplakia