Chapter 5 Flashcards
What is the cause of impetigo?
Strep. pyogenes and Staph aureus
What is the most common form of impetigo?
Nonbullous form.
Where does nonbullous impetigo most commonly occur?
On the legs
What are the common causes of tonsillitis and pharyngitis?
Group A beta-hemolytic strep, influenza and Epstein-Barr virus- majority caused by virus
What is the sequelae of streptococcal pharyngitis and tonsillitis?
Scarlet fever, rheumatic fever, rheumatic heart disease, acute glomerulonephritis.
What is strawberry tongue a result of?
Scarlet fever.
What are pastia’s lines?
Dermatologic features of scarlet fever. Rash in areas of pressure and skin folds presenting as transverse red steaks.
What are tonsilloliths?
Desquamated keratin and foreign material in tonsillar crypts.
What is the cause of diphtheria?
Cornebacterium diptheriae
What is the cause of syphilis?
Treponema pallidum
What is the primary, secondary and tertiary characterization of syphilis?
Primary- painless chancre and painless lymphadenopathy. Secondary- painless rash. Tertiary- gumma (hole in palate) and tongue lesions known as syphilitic glossitis.
What is the likely diagnosis?
Impetigo
What is the likely diagnosis?
Tonsiliths
What is the likely diagnosis?
Chancre of primary syphilis
What is the likely diagnosis?
Mucous patch of secondary syphilis.
What is the likely diagnosis?
Gumma of tertiary syphilis.
What is Hutcinson’s triad and what does it come from?
Hutchinson’s incisors, ocular intestitial keratitis, and 8th nerve deafness. Comes from congenital syphilis.
Reminder: Review Hutchinson’s incisors and mulberry molars.
What causes Gonorrhea?
Neisseria gonnorhoeae
What is the most common reportable infectious disease in the US?
Gonorrhea
What is a disease that is known for its purulent discharge and dysuria?
Gonorrhea
What is scrofula?
It is a form of mycobacterial infection from drinking milk that results in enlarged cervical lymph nodes.
What will the histology of TB infection look like?
Granulomas with central areas of necrosis.
What is the host for the leprosy and where are the endemic areas in the US?
9 banded armadillo. Louisiana and Texas.
What is a distinct facial pattern of leprosy?
Pathognomonic which is a collapse of the bridge of the nose.
What is noma?
It is a bacterial infection that typically begins as NUG and leads to facial necrosis and most frequently occurs in Africa.
What organisms are known for causing Noma?
Fusobacterium necrophorum and Prevotella intermedia.
What is the organism that causes actinomycosis?
Actinomyces israelii
What are the areas of colonization for actinomyces?
Tonsillar crypts, plaque, carious dentin.
What percentage of actinomycosis cases are diagnosed in the cervicofacial region?
55%.
What are sulfur granules associated with?
They are the colonies of actinomyces.
What causes cat scrath disease and what is the pattern of infection?
Caused by Bartonella henselae. Begins in the skin and classically spreads to adjacent lymph nodes.
What is one of the most common health complaints in the US?
It is a blockage of what complex?
Sinusitis.
Blockage of the ostiomeatal complex.
What is the term when calcification occurs with chronic sinusitis?
Antrolith.
What are some of the symptoms of maxillary sinusitis?
Increased pain when head is upright and decreased pain when patient is supine. There will also be pain in multiple teeth and not just isolated.
