Derma Block B Flashcards
Scabies causing agent
Mite sarcoptes scabiei
Rash in scabies is
Pruritic/Not
Pruritic
Which layers of epidermis does scabies reach?
Not deeper than the S. Granulosum
Female scabies job and how much time does she live?
4-6 weeks
Laying 40-50 eggs
Why is scabies itchy?
Hypersensitivity reaction
Rash in scabies description
Itchy red papules
Vesicles
Other forms of Scabies?
Norwegian scabies
Norwegian scabies is also called
Crusted scabies
Scabies treatment
Topical
Permethrin 5% Lindane 1% Benzyl Benzoate 10% Malathion Ivermectin for resistant cases
Pediculosis=
Infection of lice that lay their eggs on hair shafts or in clothing
Two species of Pediculosis
Pediculus humanus- head and body
Pthirius pubis- Pubic
Female Pediculus lives for
3 months
Lay 300 eggs during life time
Types of pediculosis rash by location
Capitis
Corporis
Pubis
Pediculosis treatment
Permethrin cream Pyrethrin shampoo Piperonyl butoxide shampoo Malathion cream Lindane shampoo Ivermectin
HIV general
Retro virus
Positive sense RNA virus
Mucocutaneous manifestation of AIDS
Eosinophilic folliculitis Oral hairy leukoplakia Aphtous stomatitis Nonmelanoma skin cancer HIV lipodystrophy syndrome Kaposi sarcoma Superinfections
Primary syphilis clinical forms
Primary chancre
Rectal lesions
Cervical and vaginal lesions
DD in case of syphilis
Heres simplex
Chancroid
Donovanosis
Chancroid id caused by
Hemophilus ducreyi
Syphilis treatment for patient with fresh symptoms
Intramuscular Penicillin G 1 million units per day X 15 days
When does secondary Syphilis occurs?
2-6 months after primary
Secondary Syphilis skin symptoms
Papulosquamous
Pustular lesions
Macules and papules
Condyloma lata- red pale papules
לאטא זה בסיפיליס כי זה כמו לייט! וואלה הוא מאחרר אנחנו כבר בשני
When will tertiary syphilis occur?
Years-decades after
Tertiary Syphilis skin symptoms
Gummas
Methods of diagnosis of Syphilis
Dark field microscopy
DFA-PT
PCR
Serology
DFA-PT=
Direct Fluorecent Antibody T.Pallidum test
Serology methods of diagnosis of Syphilis (5)
Non specific measuring of Ab RPR test VDRL 4 5
Possible causes of urethral discharge
Neisseria Chlamydia Trichomonas HSV HPV
Therapy for NGU
Doxyxyline 100 mg every 12 h
Azythromycin 1g single dose
Diagnosis of vaginal discharge
Smear Urethral smear Vaginal swab Throa swab pH Urinalysis Cervical cytology Wet preparation
Where do you take vaginal smear from?
Latral vaginal wall
Most common STD
Herpes genitalis
Diagnosis of HSV infections
Culture Tzank smear Ag Serology PCR
Topical HSV treatment
1% Acyclovir
5% Pancyclovir
Systemic HSV treatment
Famcyclovir 150-250 mg/day
Acyclovir 400 mg/day
Valcyclovir 1g/day
Which HPV causes Condyloma acuminata?
6,11
Condyloma acuminata clinical presentation
Small papular fleshy cauliflower lesions
Flat warts
Local treatment for Condyloma acuminata
Podophyllin extract 15-20% 1-2 times/week
Trichloroacetic acid
Physical therapy for Condyloma acuminata
Cryotherapy
Electrocautery
Laser ablation
Most common NGU symp. in men
Urethritis
Dysuria
Purulent discharge
NGU symp. in men treatment
Cefixime 400 mg
Ceftriaxone 250 mg
Spectinomycin 2g MI
NGU in women complications
Infertility
FHK syndrome
Bartholin’s abscess
Chancroid is caused by
Haemophilus ducrey
Bacterial vaginosis etiology
Gardnerelaa vaginallis
Anaerobics
Mycoplasma hominis
All replace lactobacillus
Trichomoniasis
Trichomona vaginalis Flagellated protozoa Frothy discharge Irritation Strawbeer cervix
Candida will cause what in man
Balanitis
Scabies is caused by
Sarcoptes scabiei
Describe the Scabies mite
Female leav for 4-6 weeks
They lay 40-50 eggs
What is the other form of Scabies and when will we see it?
Norwegian scabies
Immunocompromized
Scabies treatment
Permethrin cream
Benzyl benzoate
Malathion
Ivermectin
Pediculosis
Infestation of lice that lay eggs on haie shafts
Two types of Pediculosis
Pediculus humanus
Pediculus pubis
Pediculosis female leavs for
3 months and lay 300 eggs
Pediculosis treatment
Permethrin
Malathion
Ivermectin
AIDS mucocutaneous manifestations
Kaposi sarcoma Eosinophilic folliculitis- prutritic Oral hairy leukoplakia Adverse Cutaneous Drug Erraption HIV lipodystrophy syndrome
Adverse Cutaneous Drug Erraption happens due to
HAART treatment
Incubation period for Syphilis
9-90 days
Usually 3 weeks
Clinical forms of primary Syphilis
Chancre- firm painless red ulcer. Dark field mic.!
Lymphadenopathy
Syphilis fresh symp. how do we treat?
IM Penicillin G 1 mil. Units / day X 15
Two weeks then repeat
Syphilis symp. free how do we treat?
MI 2.4 mil. Units X 2
Secondary Syphilis occurs when
2-6 months after primary
Secondary Syphilis manifestation
Lacy erythematous maculopapular rash
Condyloma lata
Condyloma acuminata=
Non tender moist wart like papules
DFA-TP
Direct Fluorescent Antibody TP
Syphilis non specific tests
RPR
VDRL
RPR
VDRL
What do they measure?
IgM, IgG against cardiolipin-lecitin-cholesterol Ag complex
Syphilis specific tests
FTA-ABS
BAP
TPPA