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Patrushev AV, Samtsov AV, Nikitin VY, Ivanov AМ, Gumilevskaya OР, Sukharev AV, Sukhina IA. Origin, function and role in the development of skin diseases CLA+T-lymphocytes. VESTNIK DERMATOLOGII I VENEROLOGII 2018. [DOI: 10.25208/0042-4609-2018-94-3-20-29] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
Abstract
The idea of CLA+T-lymphocytes, which are a special subpopulation of cells with a tropic to the skin, is given. The issues of maturation, migration and functional features of CLA+T-cells are considered. Special attention is paid to the different phenotype of memory T-cells. Modern data concerning the role of CLA+T-cells in the pathogenesis of autoimmune and allergic dermatoses, as well as malignant skin tumors are also presented. The conclusion about the necessity of further study of CLA +T-lymphocytes for detailed understanding of pathogenesis and search of variants of targeted therapy in psoriasis, atopic dermatitis, skin lymphomas and other skin diseases is made.
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Goldbach H, McMahon C, Boos MD. An Exophytic Mass on the Mandible of an Immunocompromised Man. Clin Infect Dis 2014. [DOI: 10.1093/cid/cit712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Panya MF, Mgonda YM, Massawe AW. The pattern of mucocutaneous disorders in HIV-infected children attending care and treatment centres in Dar es Salaam, Tanzania. BMC Public Health 2009; 9:234. [PMID: 19602229 PMCID: PMC2716338 DOI: 10.1186/1471-2458-9-234] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2009] [Accepted: 07/14/2009] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND HIV/AIDS is associated with a wide range of mucocutaneous disorders some of which are useful in the clinical staging and prognosis of the syndrome. There is paucity of information regarding the prevalence and pattern of mucocutaneous disorders among HIV infected children attending paediatric Care and Treatment Centres (CTC) in Dar es Salaam. OBJECTIVE To determine the prevalence and pattern of mucocutaneous disorders among HIV infected children attending public paediatric 'Care and Treatment Centres' in Dar es Salaam. METHODS This was a cross sectional descriptive study involving public paediatric 'Care and Treatment Centres' in Dar es Salaam. Clinical information was obtained using a questionnaire. Dermatological examination was carried out in daylight. Investigations were taken as appropriate. Data was analysed using the Statistical Package for Social Sciences (SPSS) program version 10.0. Chi-squared and Fisher's exact tests were utilized. A p-value of less than 0.05 was considered statistically significant. RESULTS Three hundred and forty seven HIV infected children (52% males) attending CTCs were recruited into the study. Mucocutaneous disorders were encountered in 85% of them. There was no gender difference in the prevalence of the infective mucocutaneous disorders but males had a higher prevalence of non-infective/inflammatory dermatoses (58%) than females (42%) (p = 0.02). Overall, mucocutaneous disorders (infective + non infective) were more prevalent in advanced stages of HIV disease. Children with advanced HIV disease had a significantly increased frequency of fungal and viral infections (43% and 25% respectively than those with less advanced disease; 24% and 13% respectively (p = 0.01). Seventy four percent of the HIV-infected children with mucocutaneous disorders were already on ART. CONCLUSION Mucocutaneous disorders among HIV infected children attending Care and Treatment Centres are common and highly variable. Comprehensive management should also emphasize on the management of mucocutaneous disorders.
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Affiliation(s)
- Millembe F Panya
- Department of Paediatrics and Child Health, Muhimbili University of Health and Allied Sciences, Muhimbili, Dar es Salaam, Tanzania.
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Seoane Reula E, Bellon JM, Gurbindo D, Muñoz-Fernandez MA. Role of antiretroviral therapies in mucocutaneous manifestations in HIV-infected children over a period of two decades. Br J Dermatol 2005; 153:382-9. [PMID: 16086754 DOI: 10.1111/j.1365-2133.2005.06758.x] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Human immunodeficiency virus (HIV) infection causes a severe cellular immunodeficiency, which results in a greater susceptibility to infectious, inflammatory and malignant conditions. Among these, pathologies of the skin seem to be those most frequently observed in HIV+ patients. However, there are few reports on how antiretroviral therapy affects skin disorders in HIV-infected children. OBJECTIVE To study the incidence and prevalence of skin disorders in a cohort of HIV-infected children, in relation to the antiviral therapy [nontreated, monotherapy, combined therapy and highly active antiretroviral therapy (HAART)] received, and their impact on immunological and virological markers. The treatments were those available in different calendar periods in the history of antiviral treatment. MATERIALS AND METHODS A retrospective, observational study in a cohort of 210 HIV-infected children was carried out. These children were followed up every 3 months throughout 22 years. The viral load (HIV RNA copies mL(-1)) was quantified using reverse transcriptase-polymerase chain reaction and the viral phenotype of HIV-1 isolates was determined by in vitro culture. T-lymphocyte subsets in peripheral blood were quantified by flow cytometry. RESULTS Mucocutaneous manifestations were diagnosed in 17% of the untreated infected children. Of the treated children in different treatment periods, 22% in the monotherapy period, 25% in the combined therapy period but only 10% on HAART had some type of mucocutaneous manifestation, concordant with a higher number of CD4+ T cells, a lower viral load and less cytopathic virus in the last group. Mucocutaneous manifestations of infectious aetiology were most frequently observed; they were detected in 13% of the children during the first calendar period (untreated children), 16% during the second and third periods (monotherapy and combined therapy) and only 5% in the last period (HAART). Interestingly, syncytium-inducing virus was present in 69% of all children with mucocutaneous manifestations of infectious aetiology. CONCLUSION Only in the last calendar period (HAART) was a significant decrease observed in the prevalence of mucocutaneous manifestations with HIV infection associated with an increase in CD4+ T cells. In addition, we found a strong association between children who had mucocutaneous manifestations with an infectious aetiology and a more cytopathic (X4/SI) viral phenotype.
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Affiliation(s)
- E Seoane Reula
- Division of Molecular Immunobiology, Laboratorio de Inmunobiología, Hospital General Universitario Gregorio Marañón, C/Doctor Esquerdo 46, 28007 Madrid, Spain
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El Hachem M, Bernardi S, Giraldi L, Diociaiuti A, Palma P, Castelli-Gattinara G. Herpetic whitlow as a harbinger of pediatric HIV-1 infection. Pediatr Dermatol 2005; 22:119-21. [PMID: 15804298 DOI: 10.1111/j.1525-1470.2005.22205.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Herpetic whitlow applies to a primary or recurrent herpes simplex infection of the fingers. It is a rare condition in immunocompetent patients, and usually has a rapid evolution and prompt response to treatment. We report a 10-year-old girl referred to our department of infectious diseases with recurrent and unresponsive ulcerated and necrotic lesions of the fingers of both hands as a first sign of human immunodeficiency virus infection. Numerous instances of extensive or recurrent herpes lesions of the mouth, lips, and perianal areas have been found in the literature, but we have not found any report of periungual infection as a first manifestation of human immunodeficiency virus infection. Pediatricians and dermatologists need to be aware of this association in order to make an early diagnosis and start treatment of these patients' disease.
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Affiliation(s)
- M El Hachem
- Department of Dermatology, Bambino Gesu Children's Hospital- Research Institute, Rome, Italy.
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Gudjonsson JE, Johnston A, Sigmundsdottir H, Valdimarsson H. Immunopathogenic mechanisms in psoriasis. Clin Exp Immunol 2004; 135:1-8. [PMID: 14678257 PMCID: PMC1808928 DOI: 10.1111/j.1365-2249.2004.02310.x] [Citation(s) in RCA: 256] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Psoriasis is a common autoimmune skin disease characterized by T cell-mediated hyperproliferation of keratinocytes. The disease has a strong but complex genetic background with a concordance of approximately 60% in monozygotic twins, and recent linkage and high resolution association studies indicate that HLA-Cw*0602 is itself a major susceptibility allele for psoriasis. Patients carrying this allele have been shown to have different clinical features and earlier age of disease onset, and patients homozygous for this allele have about 2.5 times higher disease risk than heterozygotes. Published data indicate that CD8+ T cells may play a major effector role in psoriasis. Epidermal infiltration of predominantly oligoclonal CD8+ T cells, and probably also of CD4+ T cells in the dermis, is a striking feature of chronic psoriasis lesions, indicating that these cells are responding to specific antigens. We argue that CD4+ T cells are essential for initiating and maintaining the pathogenic process of psoriasis but that cross-primed CD8+ T cells are the main effector cells responding to antigens in the HLA-Cw*0602 binding pocket of keratinocytes. It is further proposed that CD8+ T cells are involved in the control of the Th1 polarization, which is observed in psoriasis lesions, through a complex interplay between CD4+, CD8+ T cells and cross-presenting dendritic cells. It is also suggested that spontaneous remissions or fluctuations in disease activity may be determined by a balance within the lesions between effector and suppressor CD4+ and CD8+ T cells.
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Affiliation(s)
- J E Gudjonsson
- Department of Immunology, Landspitali University Hospital, University of Iceland, Reykjavik, Iceland
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Wananukul S, Deekajorndech T, Panchareon C, Thisyakorn U. Mucocutaneous findings in pediatric AIDS related to degree of immunosuppression. Pediatr Dermatol 2003; 20:289-94. [PMID: 12869145 DOI: 10.1046/j.1525-1470.2003.20401.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
The normal value of the absolute CD4-positive T-lymphocyte count is relatively high in normal infants and declines steadily until 6 years of age, whereas the CD4 percentage of the total lymphocyte count is constant. The immunologic categories according to the 1994 revised pediatric human immunodeficiency virus (HIV) classification, based on CD4-positive percentage of the total lymphocyte count, is classified into three categories: no evidence of suppression (> or =25%), moderate suppression (15-24%), and severe suppression (1-14%). Our objective was to determine the prevalence of mucocutaneous findings in pediatric acquired immunodeficiency syndrome (AIDS) related to the degree of immunosuppression. We prospectively examined 120 children less than 13 years of age who were born to HIV-seropositive women and developed definite HIV infection. The prevalence of mucocutaneous findings in those children who had severe, moderate, and no evidence of immunosuppression were 62%, 43%, and 20%, respectively. The mucocutaneous findings in patients in the moderate and severe suppression groups were significantly more common than in patients without evidence of immunosuppression (p < 0.001). In the moderate immunosuppression group, 11% had two mucocutaneous findings while 21% in the severe immunosuppression group had two or more mucocutaneous findings. The most common mucocutaneous finding was oral candidiasis (33%), which had a mean corresponding CD4 percentage of the total lymphocyte count of 11.3%. Herpes zoster was found in 6% of the patients (mean CD4 percentage of the total lymphocyte count = 13.5%). Chronic herpes simplex virus (HSV) stomatitis was found in 3% of the patients (mean CD4 percentage of the total lymphocyte count = 3%). Mucocutaneous manifestations are common in pediatric AIDS. The majority of these findings have an infectious etiology. The prevalence increases as the CD4-positive percentage of the total lymphocyte count decreases. More than one mucocutaneous finding can be found at the same time in patients with moderate or severe immunosuppression.
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Affiliation(s)
- Siriwan Wananukul
- Department of Pediatrics, Chulalongkorn University, Bangkok, Thailand.
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Abstract
Evidence for a key role of T cells in the pathogenesis of psoriasis has come from both experimental and clinical data. Initially, generalized immunosuppressants, intended for use in transplant settings, were found to improve clinical signs and symptoms of psoriasis. Their efficacy attracted attention to the activated T cells that are a major component of the inflammatory infiltrate of psoriatic lesions. Further research determined that T cells from patients with psoriasis could transmit disease in animal models. These findings laid the groundwork for characterizing the pathogenesis of psoriasis as immune mediated with skin-directed T cells playing a central role. Once these pathogenic T cells have entered the skin, they become activated and release cytokines and chemokines to attract other immune cells to perpetuate the inflammatory cascade. As the role of the T cell in psoriasis has evolved and understanding of immunopathology has increased, a multitude of biologic targets have been revealed. Newer strategies for the treatment of psoriasis have therefore focused on modifying T cells in this disease through direct elimination of activated T cells, inhibition of T-cell activation, or inhibition of cytokine secretion or activity. The mechanisms by which these new biologic agents act on psoriasis will affect their profile of efficacy and safety. Important selection criteria for optimal antipsoriatic therapies include long-term safety and tolerability, ability to produce long-lasting remissions, and convenient dosing regimens.
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Affiliation(s)
- J C Prinz
- Department of Dermatology, Ludwig-Maximilians University, Frauenlobstrausse 9-11, D-80337 Munich, Germany.
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Abstract
During the past decade, a large number of new drugs for treating HIV and its complications have been developed. The increasingly sophisticated use of these drugs in combination has led to a marked reduction in HIV-related morbidity and mortality in countries where they are available. HIV/AIDS patients receiving treatment are now expected to live into old age. The beneficial effect of HIV treatment has resulted in an expanding population of persons living with HIV/AIDS who will need the care of an HIV specialist because of the complexity of the treatment regimens and the rapidly changing HIV/AIDS knowledge base. However, this growing and aging population will also benefit from the care of a primary care physician. The primary care generalist is in the best position to recognize and diagnose HIV infection, evaluate HIV risk in his or her patient population, and help prevent HIV infection in persons at risk. In patients known to be infected, the primary care generalist will be best able to manage hyperlipidemia, diabetes, cardiovascular disease, and other disorders of an aging population with an increased risk of these and other conditions. Patients with HIV infection frequently accumulate a large number of specialist physicians, and the unique ability of the primary care physician to monitor their care and act as a knowledgeable patient advocate is a great benefit to the patient.
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Affiliation(s)
- Peter T Frame
- University of Cincinnati Infectious Disease Center, Eden Avenue & Sabin Way, Cincinnati, OH 45267-0405, USA.
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Sigmundsdóttir H, Gudjónsson JE, Jónsdóttir I, Lúdvíksson BR, Valdimarsson H. The frequency of CLA+ CD8+ T cells in the blood of psoriasis patients correlates closely with the severity of their disease. Clin Exp Immunol 2001; 126:365-9. [PMID: 11703383 PMCID: PMC1906191 DOI: 10.1046/j.1365-2249.2001.01688.x] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Psoriasis is thought to be a T cell-mediated skin disease and the cutaneous lymphocyte antigen (CLA) is an important skin homing epitope for T cells. We have studied the relationship between disease severity (PASI) and phenotypic analysis of T cells in the blood of 36 patients with psoriasis focusing on the expression of CLA, VLA-4 and CD25 on CD4+ and CD8+ T cells. The patients had a higher frequency of circulating CLA+ CD8+ cells than healthy controls. Furthermore, a much stronger correlation was observed between PASI and the frequency of CLA+ CD8+ than CLA+ CD4+ T cells. The frequency of CLA+D8+ T cells correlated more strongly with redness, thickness and scaling of the skin lesions than the total affected body surface area. In contrast to CLA the T cell expression of VLA-4 did not demonstrate any such correlation. Finally, the expression of the activation marker CD25 on CD8+ T cells showed a strong correlation with disease severity in patients with moderate to severe psoriasis (PASI > 10) but such correlation was not observed for CD4+ T cells. These findings support the notion that circulating CLA+ CD8+ T cells may play an important role in the pathogenesis of psoriasis.
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Affiliation(s)
- H Sigmundsdóttir
- Department of Immunology, Landspítali University Hospital, Reykjavík, Iceland
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de Moore GM, Hennessey P, Kunz NM, Ferrando SJ, Rabkin JG. Kaposi's sarcoma: The Scarlet Letter of AIDS: the psychological effects of a skin disease. PSYCHOSOMATICS 2000; 41:360-3. [PMID: 10906360 DOI: 10.1176/appi.psy.41.4.360] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- G M de Moore
- Department of Psychiatry, Westmead Hospital, University of Sydney, NSW, Australia
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12
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Jing W. A retrospective survey of mucocutaneous manifestations of HIV infection in Malaysia: analysis of 182 cases. J Dermatol 2000; 27:225-32. [PMID: 10824485 DOI: 10.1111/j.1346-8138.2000.tb02156.x] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A retrospective analysis of 182 HIV positive Malaysians was done in two centers, the University Hospital Kuala Lumpur (UHKL) and the General Hospital Kuala Lumpur (GHKL) from March 1997 to February 1998. Demographic and clinical data were analyzed. The analysis showed that 130 out of 182 patients had mucocutaneous disorders (71.4%). In the study there were 125 males (96.2%) and 5 females (3.8%). The majority of the patients were in the age group from 20 to 50 years. The patients who presented with mucocutaneous disease also had low CD4+ T lymphocyte counts, and most of them had AIDS defining illnesses. The number of cases with generalized hyperpigmentation was very high (35.7%), followed by papular eruptions (29.1%) and xerosis (27.5%). Seborrheic dermatitis was seen in 19.2% of the cases and psoriasis in 7.7%. The most common infections were oral candida 35.7%, tinea corporis and onychomycosis 9.9%, and herpes infection 4.3%. However, mucocutaneous manifestations of Kaposi's sarcoma were rare. The results suggested that mucocutaneous findings are useful clinical predictors of HIV infection or a sign of the presence of advanced HIV infection.
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Affiliation(s)
- W Jing
- Affiliated Hospital of Qinghai Medical College, China
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13
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Affiliation(s)
- C Robert
- Harvard Skin Disease Research Center, Harvard University, Department of Medicine, Brigham and Women's Hospital, Boston, MA 02115, USA
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Wananukul S, Thisyakorn U. Mucocutaneous manifestations of HIV infection in 91 children born to HIV-seropositive women. Pediatr Dermatol 1999; 16:359-63. [PMID: 10571833 DOI: 10.1046/j.1525-1470.1999.00093.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
We examined 91 children under the age of 13 years with definite HIV infection born to HIV-seropositive women. The clinical spectrum of HIV infection in children younger than 13 years who are born to HIV-infected mothers was revised in 1994 into four clinical categories: category N (not symptomatic), category A (mildly symptomatic), category B (moderately symptomatic), and category C (severely symptomatic). Mucocutaneous manifestations were found in 47 (51.6%) of these children. The prevalence of mucocutaneous manifestations in categories A, B, and C were 4%, 62%, and 75%, respectively. The mucocutaneous manifestations in patients in categories B and C were significantly more common than in those category A (p < 0.001). The most common finding was oral candidiasis (36.3%). Drug rash, pruritic papular eruption, herpes zoster, cutaneous candidiasis, Penicillium marneffei infection, and herpes simplex virus stomatitis were found in 6.6%, 5.5%, 4. 4%, 3.4%, and 2. 2% of patients, respectively. All three patients who had disseminated P. marneffei infection were in category C.
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Affiliation(s)
- S Wananukul
- Department of Pediatrics, Chulalongkorn University, Bangkok, Thailand
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Jing W, Ismail R. Mucocutaneous manifestations of HIV infection: a retrospective analysis of 145 cases in a Chinese population in Malaysia. Int J Dermatol 1999; 38:457-63. [PMID: 10397587 DOI: 10.1046/j.1365-4362.1999.00644.x] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Mucocutaneous lesions directly related to human immunodeficiency virus (HIV) infection usually present as initial manifestations of immune deficiency. The most common mucocutaneous lesions are Kaposi's sarcoma, histoplasmosis, oro-esophageal candidiasis, oral hairy leukoplakia, and, in Asia, Penicillium marneffei infection. Non-HIV-related skin lesions, such as psoriasis, seborrheic dermatitis, and nodular prurigo, may be the initial presentation among HIV infected patients attending outpatient clinics. METHODS A retrospective analysis was performed on 145 HIV-positive Malaysians of Chinese descent from two centers at the University Hospital Kuala Lumpur (UHKL) and the General Hospital Kuala Lumpur (GHKL) from March 1997 to February 1998. Demographic data and clinical data were analyzed. RESULTS The analysis showed that 104 out of 145 patients had mucocutaneous disorders (71.7%). In the study, there were 100 men (96.2%) and four women (3.8%). The majority of patients were in the age group 20-50 years. The patients who presented with mucocutaneous disease also had low CD4+ T-lymphocyte counts and most had acquired immunodeficiency syndrome (AIDS) defining illness. The number of cases with generalized hyperpigmentation was very high in the group (35.9%), followed by nodular prurigo (29.7%) and xerosis (27.6%). Seborrheic dermatitis was seen in 20.7% of cases, with psoriasis in 8.3%. The most common infections were oral candidiasis (35.9%), tinea corporis and onychomycosis (9.7%), and herpes infection (5.5%); however, mucocutaneous manifestations of Kaposi's sarcoma were rare. CONCLUSIONS The results suggest that mucocutaneous findings are useful clinical predictors of HIV infection or signs of the presence of advanced HIV infection.
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Affiliation(s)
- W Jing
- Department of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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McAleer P, Chu P, White SM, Don PC, Bamji M, Weinberg JM. Psoriasis associated with human immunodeficiency virus in an infant. Pediatr Dermatol 1999; 16:144-5. [PMID: 10337681 DOI: 10.1046/j.1525-1470.1999.00036.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Psoriasis is commonly reported in association with HIV in adults. A 3-month-old girl with HIV presented with a widespread eruption and was diagnosed with psoriasis. This is the first infant reported with psoriasis in association with HIV infection. The relationship between the two entities is discussed, as is the role of treatment with zidovudine.
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Affiliation(s)
- P McAleer
- Department of Dermatology, New York Medical College-Metropolitan Hospital Center, New York 10029, USA
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Klassen MK, Lewin-Smith M, Frankel SS, Nelson AM. Pathology of human immunodeficiency virus infection: noninfectious conditions. Ann Diagn Pathol 1997; 1:57-64. [PMID: 9869826 DOI: 10.1016/s1092-9134(97)80009-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Diagnostic anatomic pathologists play a crucial role in the battle against acquired immunodeficiency syndrome (AIDS). Not only are they intimately involved in the treatment of individual patients with human immunodeficiency virus (HIV) infection, but also they make important observations that result in the expansion of the scientific understanding of its pathogenesis. Pathologists studying tissue from patients with HIV infection should be familiar with the conditions to which these patients are susceptible. Although opportunistic infections are important causes of morbidity and mortality, noninfectious conditions frequently make substantial contributions to the disease course. Patients with HIV infection may be at increased risk for neoplastic disease. They do not, however, have an increased incidence of the most common tumors affecting the general population, such as breast, colon, and prostate carcinoma. Immunodeficiency results in increased susceptibility to malignant neoplasms, both by decreased immunologic response to abnormal cells and increased susceptibility to infection by viruses. All of the malignant neoplastic diseases that are Centers for Disease Control and Prevention (CDC) AIDS indicator conditions have been shown to have an association with a virus: Kaposi sarcoma (KS) with herpes hominis virus 8 (HHV-8), malignant lymphoma with Epstein-Barr virus (EBV), and cervical carcinoma with human papilloma virus (HPV). Patients with HIV infection also can develop reactive processes that are attributable to direct effects of HIV or immune system alterations. Such conditions include salivary gland cystic lymphoepithelial lesion, lymphadenopathy, lymphocytic interstitial pneumonitis, encephalopathy, enteropathy, nephropathy, hepatic conditions, dermatologic conditions and anemia.
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Affiliation(s)
- M K Klassen
- Department of Infectious and Parasitic Disease Pathology, Armed Forces Institute of Pathology, Washington, DC, USA
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