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EXPERIMENTAL SYPHILIS IN THE RABBIT : III. LOCAL DISSEMINATION, LOCAL RECURRENCE, AND INVOLVEMENT OF REGIONAL LYMPHATICS.

From a study of the phenomena of the primary infection on the one hand, and the phenomena of local spread, or dissemination, on the other, i … we have used, the virus is never confined to the area occupied by the so called primary lesion, or chancre, but always spreads and always gives rise to a regional adenopathy. There may be no lesions to indicate the progress of this dissemination, but an examination of the inguinal nodes shows that dissemination occurs very soon after inoculation, and a p …

Genital ulcers in a primary health clinic in Rwanda: impact of HIV infection on diagnosis and ulcer healing (1986-1992).

During 1986-88 and 1990-92, 1025 (97%) out of 1057 genital ulcer patients in Kigali, Rwanda, were tested for HIV antibodies and for infection with Treponema pallidum, Haemophilus ducreyi and herpes simplex virus. Overall, 57% of men and 80% of women had antibodies to HIV-1. The most frequent laboratory diagnoses were chancroid (27%), syphilis (19%) and genital herpes (19%) among men and syphilis (35%), genital herpes (23%) and chancroid (20%) among women. HIV-1 seroprevalence increased sharply over time among men but not among women. The clinical presentation of ulcers as well as laboratory di

Are we moving from symptomatic to asymptomatic syphilis: A retrospective analysis.

BACKGROUND: Syphilis remains a global health problem with recent reports of resurgence from various parts of the world. We undertook this st … total STD cases in our STI clinic in 4 years. Out of 137 patients, 2 (1.45%) presented with primary chancre, 6 (4.37%) with lesions of secondary syphilis and 129 (94.16%) were found serologically reactive without any symptoms or clinical signs, i.e., in latent syphilis. Our records also showed 14 (10.21%) cases of HIV and syphilis co-infection. CONCLUSIO …

Syphilis superinfection activates expression of human immunodeficiency virus I in latently infected rabbits.

Superinfection of latently human immunodeficiency virus (HIV)-infected rabbits with either Treponema pallidum or Shope fibroma virus (SFV) activates HIV expression. In addition, HIV-infected rabbits demonstrate prolonged cutaneous lesions (chancres) after intracutaneous challenge with T. pallidum, the causative agent of syphilis. Rabbits were infected by intravenous inoculation of 3 x 10(7) human T-cell lymphotrophic virus type III (HTLV-III)/B10 (HIV-1)-infected H9 (human) cells. Five weeks after initial infection, integrated HIV-1-specific DNA sequences were detected in the DNA of the periph…

Sexually transmitted diseases.

Sexually transmitted diseases (STDs) continue to be a global epidemic with significant risk of morbidity/mortality for the fetus. STDs with prominent cutaneous findings including condylomata acuminata, genital herpes infections, and syphilis are reviewed. Important clinical cutaneous findings help aid early diagnosis and facilitate treatment. Condylomata acuminata have the potential of causing cervical cancer, anogenital cancer, and oropharyngeal cancer. Significant advances have been made in human papilloma virus vaccinations and treatment. Genital herpes infection can produce significant phy

Factors associated with active syphilis among men and women aged 15 years and older in the Zimbabwe Population-based HIV Impact Assessment (2015-2016).

INTRODUCTION: Ulcerative STIs, including syphilis, increase the risk for HIV acquisition and transmission due to the presence of ulcers/chancres that serve as a point-of-entry and exit for HIV. In Zimbabwe, diagnosis of syphilis often occurs in pregnant women who seek ANC services where syphilis testing is offered, and among men and women who seek health care for STIs. Zimbabwe's national syphilis estimates are based on these diagnosed cases, with little information available about the prevalence of untreated syphilis among the general population. This analysis uses data from ZIMPHIA (2015-201…

[Pathology of the natal cleft].

After defining the limits of the natal cleft, the author explains the process of establishing a precise diagnosis on the basis skin lesion. He describes successively: non-infiltrating eruptions or intertrigo, pigmented lesions, papular, papular-nodular, tuberculoid and tumoral eruptions, vegetating lesions, ulcerating and suppurative lesions. In each paragraph, he stresses the lesions which are usually confined to the natal cleft.

Proteome characterization in various biological fluids of Trypanosoma brucei gambiense-infected subjects.

Human African trypanosomiasis (HAT) is a neglected tropical disease that is endemic in sub-Saharan Africa. Control of the disease has been r … er, lymphadenopathy, hepatosplenomegaly, headaches, pruritus, and for T. b. rhodesiense infection a chancre is often formed at the bite site. Meningoencephalitic stage (or second stage) occurs when parasites invade the CNS, it is characterised by neurological signs and symptoms such as altered gait, tremors, neuropathy, somnolence which can lead to coma a …

EXPERIMENTAL SYPHILIS IN THE RABBIT : IV. CUTANEOUS SYPHILIS. PART 2. CLINICAL ASPECTS OF CUTANEOUS SYPHILIS.

From the study of a large number of rabbits with generalized cutaneous syphilis following local inoculation with Treponema pallidum, lesions … and feet, affections of this type were about equally divided with larger granulomatous masses of a chancre-like character, while on the hind feet and legs, granulomatous lesions were far more numerous than those of any other type and frequently reached a very large size. The cutaneous eruption usually consisted of only a few lesions confined to some one …

Childhood cutaneous tuberculosis: a study over 25 years from northern India.

AIMS: We undertook this study to analyse the pattern of childhood cutaneous tuberculosis prevailing in northern India over the past 25 years … sa cutis (TVC), 1 (1.3%) child each had tuberculids and tubercular gumma. No child had a tubercular chancre or acute miliary cutaneous tuberculosis. The neck was the commonest site afflicted with SFD and the face was the commonest site affected with LV. No child had generalized lymphadenopathy. Eighteen (60.0%) of the 30 children with LV had regional lymp …

Prevalence and associations of genital ulcer and urethral pathogens in men presenting with genital ulcer syndrome to primary health care clinics in South Africa.

BACKGROUND: This study aimed to determine the prevalence of genital ulcer and urethral pathogens, as well as their association with clinical features, in men with genital ulcer disease (GUD) enrolled in a clinical trial. METHODS: Clinical data were collected by questionnaire. Ulcer swabs were tested for herpes simplex viruses (HSV-1/2), Treponema pallidum, Haemophilus ducreyi, and Chlamydia trachomatis L1-L3. First-pass urine was tested for urethral pathogens, namely Neisseria gonorrhoeae, C. trachomatis, Trichomonas vaginalis, and Mycoplasma genitalium. Pathogens were detected by real-time m

A Case of Syphilis with High Bone Arsenic Concentration from Early Modern Cemetery (Wroclaw, Poland).

Venereal syphilis is a sexually transmitted disease caused by Treponema pallidum - Gram-negative, slowly growing bacteria. The spread of the disease in the Old World was due to increased birth rate, urban population growth, migration and lack of knowledge concerning the epidemiology. In the past, the treatment was mainly symptomatic and included application of mercury compounds. The goal of the study was to present the case of advanced venereal syphilis found in early modern (16th-18thc) graveyard localized in Wroclaw, Poland. The object of the study is a cranium of a male whose age at death h

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… In venereal syphilis, primary symptoms (painless lesion called “chancre” located in the inoculation site, mostly on sex organs) disappear without medical treatment after 3 to 6 weeks with no visible scars [ 19 , 20 ]. Secondary stage occurs shortly after the onset of primary symptoms. …

Multisystemic sarcoidosis-important lessons learnt from one of the great imitators.

We report a case of a woman who was admitted with a suspicion of metastatic malignancy of unknown primary origin. A few months prior to her admission, she presented to a rheumatologist with acute anterior uveitis, psoriasiform rashes and polyarthritis. A diagnosis of psoriatic arthropathy was made and she was treated accordingly. Soon after she presented with persistent back and right upper quadrant abdominal pain for which she had a CT scan done with evidence of hilar lymphadenopathy, liver hypodensities and lytic-sclerotic bone lesions. She was referred to our hospital for further investigat

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… Treponema pallidum subspecies pallidum result in chronic granulomatous disorders that often cause diagnostic confusion with other granulomatous disorders. 30 Clinical presentation of syphilis varies widely and is often characterised as follows: Primary syphilis: often asymptomatic, may develop painless chancre … Chancre tends to be self-limiting. Secondary syphilis: mucocutaneous lesions, fever, sore throat, headache, lymphadenopathy, weight loss, fatigue, myalgia, arthritis/arthralgia. Tertiary syphilis: inflammation involving blood vessels, cardiovascular system and the nervous system. …

Infectious Diseases

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… , subcutaneous nodules) gram-negative cocci —meningococcemia (purpura), disseminated gonococcal infection gram-negative bacilli — S almonella typhi, Pseudomonas (ecythema gangrenosum), Vibrio vulnificus endocarditis spirochetes — Borrelia burgdorferi (Lyme erythema migrans), Treponema pallidum (chancre … Risk factors include men who have sex with men (MSM), sex trade, HIV infection primary syphilis —presents as chancre (painless, indurated, non-purulent ulcer) within 3–90 days secondary syphilis —develops within 2 weeks to 6 months, with symptoms such as fever, maculopapular rash, mucocutaneous lesions …

Infectious Diseases

Аннотация не предоставлена источником. Откройте карточку для перехода к публикации.

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… , subcutaneous nodules) gram - negative cocci —meningococcemia (purpura), disseminated gonococcal infection gram - negative bacilli — Salmonella typhi , Pseudomonas (ecythema gangrenosum), Vibrio vulnificus endocarditis spirochetes — Borrelia burgdorferi (Lyme erythema migrans), Treponema pallidum (chancre … Risk factors include men who have sex with men (MSM), sex trade, HIV infection primary syphilis —presents as chancre (painless, indurated, non-purulent ulcer) within 3–90 days secondary syphilis —develops within 2 weeks to 6 months, with symptoms such as fever, maculopapular rash, mucocutaneous lesions …

Research progress on arsenic, arsenic-containing medicinal materials, and arsenic-containing preparations: clinical application, pharmacological effects, and toxicity.

Introduction: The toxicity of arsenic is widely recognized globally, mainly harming human health by polluting water, soil, and food. However, its formulations can also be used for the clinical treatment of diseases such as leukemia and tumors. Arsenic has been used as a drug in China for over 2,400 years, with examples such as the arsenic-containing drug realgar mentioned in Shennong's Herbal Classic. We have reviewed references on arsenic over the past thirty years and found that research has mainly focused on clinical, pharmacological, and toxicological aspects. Results and Discussion: The f

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… Chinese medicine prescriptions record that it can treat cold phlegm, asthma, malaria, dysentery, syphilis, hemorrhoids, scrofula, chancre, tinea, ulcers, and persistent carrion. …