Term
What organism is responsibled for "Hot-tube" folliculitis? |
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Definition
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Term
What's Chancoid? and how do we treat it? |
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Definition
- a sexually transmitted infection
- painful, punched out ulcer
- + culture of Haemophilis ducreyi with "school of fish pattern"
- Treatment: IM Ceftriaxone
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Term
What organisms is responsible for cat-scratch disease?? |
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Definition
- Bartonella Henselae
- contact with blood/feces of Kittens
- Sx: ascending lymphadopathy
- TX: Erythromycin
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Term
How do we treat Leprosy (Hansen's disease)? |
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Definition
- organism: mycobacterium leprae
- respiratory transmission between people
- Tx: Dapsone + Rifampin +/-Clofazamine (NO ISONIAZID)
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Term
What organisms cause Lymphagitic spread, AKA ascending lymphagitis? |
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Definition
- Sporothrix Schenckii
- Bartonella Henselae
- Mycobacterium Marinum
- Nocardica Brazilensis
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Term
What organism causes Mucormycosis? |
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Definition
- Rhizopus spp.
- immunocompromised patient: AIDs, Burn, DM, leukemia
- clinically: cutaneous (necrotic abscesses). Rhinocerebral (sinus infection-->cerebral extension and necrosis)
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Term
What organisms cause Molluscum-like lesions? |
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Definition
- Cryptococcosis
- Coccidioidomycosis
- Histoplasmosis
- Penicilliosis
C.C.Hi.P |
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Term
When it comes to Measles, what are "Koplik spots"? |
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Definition
- Koplik Spots are reddish-blue macules on buccal/ lingual mucosa.
- Measle: airborne, contagious, 10-11 incubation, Prodrome 3-C's (cough, Coryza Conjuctivitis). Morbilliform rash (red macules and papules) and koplik spots.
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Term
What's erythema infectiosum? |
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Definition
- caused by Parvovirus B19
- incubation 4-14 days
- stage 1: slapped cheek appearance
- stage 2: net-like erythema of trunk and extremities
- stage 3:recur 2-3 weeks later
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Term
What is the major cause of death due to primary Varicella Zoster in HIV patients? |
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Definition
- Fatal Pulmonary (lung) disease
- HIV patient with severe immunosuppresion can be "re-infected" with VSV.
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Term
What's Epstein Barr virus? What's the presentation? |
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Definition
- Oral hairy leukoplakia (OHL): viral induced hyperplasia of oral mucosa. White "hairy" plaque on lateral margin of tongue.
- Candidiasis is more common than OHL, However, CANNOT scrape off white plaque in OHL.
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Term
What's the most common and 1st dermatitis in HIV patients? |
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Definition
- Seborrheic dermatitis
- seen in 85% HIV patient. common in pat with CD4 <450
- manifested by diffused, greasy, red-yellow, scaly plaque involving face and scalp.
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Term
What's eosinophilic Folliculitis? How to Dx and Tx? |
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Definition
- Itchy follicular eruption. More itchy than pain
- DX: skin biopsy show eosinophils in infundibula of hair follicles. elevated serum eosinophils and IgE.
- Tx: treat with topical steroids.
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Term
What's Porphyria Cutanea Tarda? |
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Definition
- Abnormal liver fx in HIV+
- Produce greater concetration of porphyrins due to loss of enzyme Uroporphyrinogen decarboxylase (necessary for heme production)
- Clinical: crusted vesicles on sun-exposed area. healing with hyperpigmentation
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Term
What are the most common offender of cutaneous drug eruptions? |
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Definition
trimetoprime (TMP)/ Sulfamethoxasole (SMX) ( Bactrim)
responsible for 50% of all drug eruption in HIV. Patients are on this for PCP prophylaxis. |
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Term
What does Lymphoreticular maliganancy, more specifically Non-Hogkin's B-cell Lymphoma is commonly associated with? |
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Definition
over 50% associated with EBV (Epstein Barr virus)
more common thant T-cell lymphoma. poor prognosis.
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Term
What's the major cause of death associate with Kaposi's sarcoma? |
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Definition
Gastrointestinal tract is most at risk for obstruction and hemorrhage secondary to kaposi's sarcoma. GI complication is the major cause of death associate with KS.
- KS: most frequence neoplastic disorder in AIDs due to cotransmission of HHV-8. Causes vascular proliferation affecting skin and GI mucosa.
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Term
characteristic of abscess in Furuncle (boil)? |
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Definition
abscess usually give cyclical/sporadc fever (not many things cause this) |
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Term
What are the risk factors of Toxic Shock Syndrome? |
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Definition
- Highly absorbency tampos (better prognosis)
- surgical wounds, burns, skin ulcer (poorer prognosis)
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