Download presentation
Presentation is loading. Please wait.
1
SYPHILIS and HIV-infection
VSMU Department of dermatovenereology Zykova O.S. 2017
2
Syphilis is a common infections, sexually transmitted disease caused by the bacterium Treponema pallidum.
3
Treponema pallidum The bacterium, T. pallidum, was first identified by Schaudinn and Hoffmann in 1905; A year later, August von Wassermann devised the first serum reaction test for syphilis. With this test, a diagnosis for syphilis could be made, but unfortunately there was no effective treatment until the discovery of sulfonamides and penicillin in the late 1930’s
4
Treponema pallidum: form
spiral cyst-form L - form
5
Treponema pallidum: Drying Boiling UV-Radiation
has a slender, coiled morphology hen examined by dark field microscopy it moves with a drifting rotary motion (corkscrew). can not survive outside its only known natural host (humans) because it has limited metabolic capacities in order to synthesize its own bionutrients. Can not be cultivated in vitro Sensitivity Drying Boiling UV-Radiation Spiritus aethylicus 70º
6
The primary mode of syphilis transmission
Sexual contact Nonsexual contact Blood transfusion, transplantation From the pregnant woman to the fetus If the newborn comes in contact with a contagious lesion.
7
Syphilis: periods (current stage)
1. Incubation time Duration - 3 weeks since trunsmission (directly proportional to the size of the inoculum and may vary from 3 to 90 days). absence of clinical manifestations 2. Primary syphilis Duration weeks after incubation time 3. Secondary syphilis Duration years after primary syphilis 4. Tertiary syphilis Duration – years after secondary syphilis Latent syphilis Absence of of clinical manifestations Positive serological tests
8
Syphilis: pathologic changes
Obliterative endarteritis that is found in all stages of the disease. In the primary chancre an inflammatory infiltrate formed by polymorphonuclear leucocytes and macrophages and rich of treponemes is the typical feature. Gummas are agranulomatous lesions formed by a necrotic coagulated center and associated with small-vessels obliterative endarteritis.
9
Primary syphilis : clinical manifestations- chancre, regional lymphadenitis
The chancre of lips erosive papular hypertrophic dwarf cortical in the form of painful cracks The chancre of tongue ulcerative slit-shaped sclerotic The chancre of tonsils (specific amigdalitis)^ Unilaterans, painful, difficulty swallowing Typical: Atypical: diffuse hyperemia, induration without defect of mucosa diphtheroidous Gangrenous (with common symptoms) The chancre of gums Ulcerative Atypical: complicated with co-infections Differential diagnosis: Herpes, aphthous stomatitis, tuberculosis, squamous cell carcinoma, periodontal abscess and language abscess, botryomycoma, ect.
10
Zaboltvaniya, peredavaemyie polovym puyiom. / Gl. red. Borisenko K. K
Zaboltvaniya, peredavaemyie polovym puyiom./ Gl.red. Borisenko K.K.. – M.:GEOTAR MEDICINA, 1998.
12
Secondary syphilis of the oral mucoses: Localisation
Throat (Erythematous-infiltrative angina, papular rash) Tongue Mucous membrane of the cheeks Lips
13
Secondary syphilis of the oral mucoses: papular rash
Fresh papules (up to 1 day) - round, bluish-red, up to 1 cm, with not acting thin infiltration "Opal plaque" (5-7 days) - white papule with necrosis of the epithelium. After grattage it turns into a bright - red thick elevating erosive papule. Papules in the period from days – red thick elevating erosive papule.
14
Papuls of the tongue: Atrophic, Hypertrophic
Zaboltvaniya, peredavaemyie polovym puyiom./ Gl.red. Borisenko K.K.. – M.:GEOTAR MEDICINA, 1998.
15
Secondary syphilis of the tongue : Clinical variants
Cracks Erosions, Ulcers Abrasions, Narrow keratosis with umbilicated in the center
16
Secondary syphilis : Differential diagnosis
oral squamous carcinoma, Leukoplakia: Idiopathic leukoplakia, tobacoco-induced leukoplakia, candidal leukoplakia (chronic hyperplastic leukoplakia) candidosis, plaque lichen planus, frictional keratosis, lichenoid reaction to drug or amalgam, granulomatous diseases, oral hairy leukoplakia.
17
Tertiary syphilis of the oral mucoses: common symptoms
dense infiltration painlessness absence of regional lymphadenitis invasive growth primary elements - tuberculum and nodus Zaboltvaniya, peredavaemyie polovym puyiom./ Gl.red. Borisenko K.K.. – M.:GEOTAR MEDICINA, 1998.
18
Laboratory Confirmation
Dark-Field Microscopy Direct Fluorescence PCR Serology: nontreponemal tests for screening, treponemal tests for confirmation of diagnosis.
19
Treponema pallidum: Drying Boiling UV-Radiation
has a slender, coiled morphology hen examined by dark field microscopy it moves with a drifting rotary motion (corkscrew). can not survive outside its only known natural host (humans) because it has limited metabolic capacities in order to synthesize its own bionutrients. Can not be cultivated in vitro Sensitivity Drying Boiling UV-Radiation Spiritus aethylicus 70º
20
Nontreponemal tests The nontreponemal tests measure both IgG and IgM antiphospholipid antibodies formed by the host in response to lipoidal material released by damaged host cells early in infection and lipid from the cell surfaces of the treponeme itself. RPR (Rapid Plasma Reagins) – тест быстрых плазменных антигенов (количественная и качественная модификации) TRUST (Toluidin Red Unheated Serum Test) – тест с толуидиновым красным и непрогретой сывороткой VDRL (Venerial Disease Research Laboratory) – тест c инактивированной сывороткой в количественной модификации (для исследования ликвора) USR (Unheated Serum Reagins) – тест определения активных реагинов плазмы
21
Treponemal tests The former is able to reveal syphilis antibodies in the patient’s serum in the early stage, while the last two become positive somewhat later during the course of infection. Fluorescent treponemal antibody (FTA-ABS) T. Pallidum hemagglutination (TPHA) MHA-TP which is a modified version of TPHA. The MHA-TP test is highly specific (>98%) and sensitive in patients with secondary syphilis. ELISA, Western blot
22
Congenital Syphilis Transmission to the fetus is usually via the placenta, but may occur during delivery in the presence of maternal genital lesions. The risk of vertical transmission ranges from 70 to 100% for primary syphilis to 40% for early latent disease to 10% for late latent disease.
23
Congenital Syphilis Infection of the fetus may result in abortion, stillbirth, neonatal death or disease. Congenital syphilis can be early or late with the early features that are similar to the manifestations of secondary syphilis in adults. These include generalized lymphadenopathy, maculopapular rash, hepatosplenomegaly, glomerulonephritis and bone alterations of tibia, hands, feet, clavicles, and skull. Late features of congenital syphilis include bone, teeth and nervous system alterations.
24
Late features of congenital syphilis
Labyrinth deafness Ocular interstitial keratitis Hutchinson´s teeth Bone deformations Scars Rodinson -Furne The bumps and gumma Manifestations of late neurosyphilis Late visceral manifestations of syphilis Serological tests Banchenko G.V., 2002.
25
Possible signs of late congenital syphilis
Dental erosion (coronal, apical) Anomalies of tooth volume Anomalies of tooth shape (amorphism) The absence of some teeth Malformations of the jaw Poor dentition
26
HIV-infection Chronic, heavy, life-threatening disease that is associated with the pathogenic action of the human immunodeficiency virus mainly on cells of immunity system.
27
Oral ulcers in HIV-infected patients
Nonspecific aphthous-like ulcers, Ulcers caused by herpes group viruses Non-Hodgkin's lymphoma; Lues maligna. Mycotic granulomatous foci (cryptococcosis, histoplasmosis) others large, persistent, painful.
28
Kaposi's sarcoma Zaboltvaniya, peredavaemyie polovym puyiom./ Gl.red. Borisenko K.K.. – M.:GEOTAR MEDICINA, 1998.
29
Kaposi's sarcoma: erythematous plaque of oral mucous
30
Kaposi's sarcoma: oral hairy leukoplakia
31
Questions 1. Syphilis: duration
Incubation time, Primary , Secondary, Tertiary syphilis 2. Primary syphilis:main features Chancre, regional lymphadenitis 2. Latent syphilis: Absence of of clinical manifestations Positive serological tests 3. Secondary syphilis of the oral mucoses: Localisation Throat Tongue Mucous membrane of the cheeks Lips 4. Secondary syphilis of the oral mucoses: differential diagnosis oral squamous carcinoma, leukoplakia, candidosis, plaque lichen planus, frictional keratosis, lichenoid reaction to drug or amalgam, granulomatous diseases,oral hairy leukoplakia. 5. Oral ulcers in HIV-infected patients: diseases Nonspecific aphthous-like ulcers, ulcers caused by herpes group viruses, non-Hodgkin's lymphoma; lues maligna, mycotic granulomatous foci (cryptococcosis, histoplasmosis), others
Similar presentations
© 2024 SlidePlayer.com Inc.
All rights reserved.