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  Table of Contents  
ORIGINAL ARTICLE
Year : 2020  |  Volume : 41  |  Issue : 1  |  Page : 47-52
 

Study of mucocutaneous manifestations of HIV and its relation to total lymphocyte count


Department of Dermatology, JSS Hospital, Mysore, Karnataka, India

Date of Submission24-Jun-2016
Date of Acceptance14-Nov-2017
Date of Web Publication11-Apr-2018

Correspondence Address:
Dr. P K Ashwini
Department of Dermatology, JSS Hospital, MG Road, Mysore - 570 004, Karnataka
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijstd.IJSTD_58_16

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   Abstract 

Introduction: HIV is associated with various mucocutaneous manifestations which may be the first pointers toward HIV and can also be prognostic markers for disease progression. This study was done to note the different mucocutaneous lesions present in HIV and their relation to total lymphocyte count (TLC). Methodology: Three hundred and seventy-nine HIV patients attending the Department of Dermatology, Venereology, and Leprosy were included in the study. They were screened for the presence of any mucocutaneous lesions. TLC in patients presenting with mucocutaneous lesions was done and also CD4 count was done wherever possible. Results: Among 379 patients, 53.8% developed mucocutaneous manifestations. Male: female ratio was 2.2:1. Majority of patients belonged to 20–39 years age group. Among mucocutaneous manifestations, oral candidiasis was the most common, followed by herpes zoster and dermatophytoses. Adverse drug reactions were noted in few. The majority of patients had TLC <1500/mm3 and CD4 <200. Conclusion: Mucocutaneous manifestations are common and have varied presentation in HIV/AIDS. Patients with mucocutaneous manifestations were clustered at lower TLC and CD4 count. Like CD4 count, TLC can be considered as a marker for disease progression.


Keywords: Cutaneous manifestations, HIV, total lymphocyte count


How to cite this article:
Ashwini P K, Betkerur J, Shastry V. Study of mucocutaneous manifestations of HIV and its relation to total lymphocyte count. Indian J Sex Transm Dis 2020;41:47-52

How to cite this URL:
Ashwini P K, Betkerur J, Shastry V. Study of mucocutaneous manifestations of HIV and its relation to total lymphocyte count. Indian J Sex Transm Dis [serial online] 2020 [cited 2020 Oct 21];41:47-52. Available from: https://www.ijstd.org/text.asp?2020/41/1/47/229947



   Introduction Top


Dermatological manifestations are seen at every stage of HIV/AIDS and are often the presenting features. These manifestations may act as marker of disease progression.[1]

CD4 cell count and CD4 percentage are key markers for determining disease progression in HIV-infected patients. Many studies had demonstrated a reasonable correlation between total lymphocyte count (TLC) and CD4 count. It was recommended that TLC can be used as a laboratory marker to initiate antiretroviral therapy in resource-poor settings, where CD4 is not available.[2]

Aims and objectives

  1. To study the prevalence of various mucocutaneous manifestations in patients with HIV/AIDS
  2. To determine the correlation between TLC and mucocutaneous manifestations in patients with HIV/AIDS.



   Methodology Top


Study population

The study population included all HIV-positive patients, who attended Department of Dermatology, Venereology, and Leprosy of JSS Hospital, Mysore. The patients were screened for mucocutaneous manifestations, over a period of 2 years. After an informed consent, a detailed history and complete examination was done according to preformed pro- forma.

Investigations

Hemoglobin percentage, complete blood count, peripheral blood smear, urine analysis, and TLC was estimated. Investigations pertaining to opportunistic infection were done whenever necessary. CD4 count was done in patients who were willing.

Follow-up

Patients were followed up regularly and complete cutaneous and systemic examination was performed. In patients, presenting with mucocutaneous manifestations, the TLC was done. CD4 cell count was done whenever possible.

Statistical analysis

The prevalence rate of mucocutaneous manifestations was estimated. The statistical significance was evaluated using Chi-square test. The significance level used was at 95% level.

The mucocutaneous manifestations were classified into major six groups. The distribution of the mucocutaneous manifestations according to CD4 count and the total lymphocyte was prepared. The mean and standard deviation of CD4 count and TLC were estimated for disease categories, and ANOVA was applied to test the significant difference between manifestation category. The Pearson correlation coefficient was estimated for CD4 count and TLC. The statistical significance was evaluated using Z-test.


   Results Top


A total of 379 patients with HIV/AIDS were examined and screened for mucocutaneous manifestations. A total of 261 (68.8%) were males and 118 (31.13%) were females. The age group of patients ranged from 2 to 70 years with 247 (65.17%) patients belonging to the age group 20–39 years [Graph 1]. There were seven children in the study group aged between 2 and 12 years, who were diagnosed after their parents were found to be seropositive.



Two hundred and four (53.8%) patients presented with 330 episodes of mucocutaneous manifestations. Among 204, there were 48 patients who presented with multiple mucocutaneous manifestations. A total of 74 patients in the study group were on highly active antiretroviral therapies (HAART). Out of them, 62 patients presented with mucocutaneous manifestations during the study period. The manifestations occurred before or during the therapy.

The patients who presented with mucocutaneous manifestations were categorized into seven groups as follows:

  1. Bacterial infections
  2. Fungal infections
  3. Viral infections
  4. Infestations such as scabies
  5. Adverse drug reactions
  6. Noninfectious conditions including xerosis, generalized pruritus, and pruritic papules of HIV.


Sexually transmitted diseases such as herpes genitalis, nonherpetic genital ulcer disease, candidal vulvovaginitis, and candidal balanoposthitis were grouped as per their etiological agents under bacterial, fungal, and viral groups.

Among 330 mucocutaneous episodes presenting in 204 patients, TLC was done in 324 episodes. As six of them lost for follow-up, they were excluded from the study. One hundred and ninety-nine (61.41%) presented with fungal and viral infection which forms the most common manifestations observed.

One hundred and twenty (37.3%) of patients had TLC <1200, but we noted that 198 (61.1%) patients had TLC <1500 [Table 1] and [Table 2].
Table 1: Distribution of total lymphocyte counts according to disease category

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Table 2: Distribution of total lymphocyte counts according to disease category

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There were 56% patients with mucocutaneous manifestations who had CD4 count <200/μL and 44% patients with mucocutaneous manifestation had CD4 count >200/μL [Table 3].
Table 3: Distribution of CD4 count according to disease category

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Among patients who presented with mucocutaneous manifestations, 45 different mucocutaneous manifestations were noted [Figure 1], [Figure 2], [Figure 3], [Figure 4]. Oral candidiasis is the most common followed by herpes zoster and dermatophytosis. Among dermatophytosis, tinea cruris was more commonly seen. The manifestations occurred at different TLC values [Graph 2].
Figure 1: Oral Hairy Leucoplakia

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Figure 2: Herpes zoster with secondary infection

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Figure 3: Genital Wart

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Figure 4: Nevirapine rash

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Oral candidiasis occurred at lower average TLC of 1270 compared to dermatophytoses, xerosis, insect bite reaction (IBR), pruritus, and eczema which occurred at around 1700–2800 TLC. Molluscum contagiosum was noted to occur at average TLC of 741 whereas oral hairy leukoplakia (OHL) occurred at average TLC of 1783.


   Discussion Top


HIV infection is associated with several dermatological manifestations, which can be the initial presenting feature. Cutaneous manifestations can occur in up to 90% of HIV-infected individuals. Often these conditions present atypically, are much more severe, and need prolonged treatment in HIV-infected patients than in the non-HIV group. With the advent of HAART, the mucocutaneous manifestations have become less frequent and less severe.[3],[4]

In our study, male preponderance was noted which could be explained by the fact that more number of male patients attend the outpatient department. About 65.17% patients belonged to the age group of 20–39 years. This is similar to other worldwide studies. Out of 379 patients, 53.8% patients developed mucocutaneous manifestations during the study period. The prevalence of mucocutaneous manifestations in various other studies ranges from 40% to 90%.

The most common manifestation observed was oral candidiasis seen in 22.7% patients. In various Indian reports, the prevalence of oral candidiasis in HIV ranges from 16% to 70%.[5],[6],[7] The pseudomembranous “white patches” variant is associated with more severe immunosuppression. CD4 ranged between 107 and 189 cells/μL in various studies. In our study, the average TLC for oral candidiasis was 1270 which supports the fact that it occurs with immunosuppression.

Herpes zoster was the second most common cutaneous manifestation occurring in 11.1% of our patients. There are reports of herpes zoster occurring in 6%–25% of HIV patients.[5],[7] Herpes zoster can occur early in the course of HIV.[8],[9] About 80% of HIV patients had herpes zoster at a CD4 of 250 cells/μL.[3] The average TLC noted was 1731. In patients with HIV, it presents with necrotizing ulcers in a multidermatomal pattern, can last longer than usual 2–3 weeks and heal leaving prominent scars.

Among the 8.7% patients who presented with dermatophytoses in our study, the most common was tinea cruris, followed by tinea corporis. Studies report 10%–22% incidence of dermatophytes.[10],[11] We noted that this manifestation occurred at an average TLC of 1972 which is slightly higher than the values associated with oral candidiasis and herpes zoster.

Herpes genitalis and herpes labialis occurred with an average TLC of 1273 and 1236, respectively. Goldstein et al. reported herpes genitalis occurred in 10.8% of his study group of HIV patients.[12]

Verruca plana, verruca vulgaris, and condyloma acuminata were seen. With an average TLC of 2071. It is reported that HIV-infected men are at increased risk for anal human papillomavirus (HPV) infection and HIV-infected women are at an increased risk for cervical HPV infection. Studies have shown an higher risk of oral warts in HIV-infected individuals despite treatment with HAART.[13]

Among our patients who presented with molluscum contagiosum, no atypical forms were noted. Giant molluscum contagiosum and disseminated molluscum contagiosum have been reported in AIDS.[3],[14]

Onychomycosis involving fingernails was noted in few. A prevalence of 20%–25% was noted in various studies.[10],[15],[16] Proximal white subungual onychomycosis known to be pathognomonic of HIV was not seen in our study.

OHL presented in six of our patients. Worldwide, the prevalence ranges from 0% to 26%. One study in South India reported OHL in 4% of 594 HIV patients where CD4 was 129 cell/μL.[15] In our study, the average TLC in these patients was 1783. In HIV patients, OHL serves as an indicator of disease severity and rapid progression to AIDS.

Twenty-two of our patients presented with various bacterial infections including staphylococcal infections such as furuncles and folliculitis. Staphylococcal skin infection is the most common cutaneous bacterial infection in HIV patients. It was reported in 1.3% of HIV patients and occurred at CD4 of 410 cell/μL.[17] We observed that these infections occurred at TLC of 1353.

Xerosis, generalized pruritus, exaggerated IBR, and pruritic papules of HIV manifested in few patients in our study. Xerosis and generalized pruritus were most common manifestations in few studies.[18],[19] In western countries, pruritic papules of HIV are the most common cutaneous manifestation.[20] Exaggerated IBR may be an indication of impending immune suppression.[21] The prevalence of xerosis in various other studies ranges from 5.3% to 73%.[3],[22]

Adverse drug reactions such as nevirapine rash, Stevens–Johnson syndrome, toxic epidermal necrolysis, fixed drug eruptions, and lipodystrophy were observed. In a study, it was reported that nevirapine rash was the most common.[3] A partially inherited increased susceptibility to the toxic effects of oxidative drug metabolites is noted in HIV. An interaction between drugs and viral infections such as HIV has been implicated.[23]

Lipodystrophy syndrome includes apparent abnormal fat redistribution and metabolic disturbances seen in HIV patients receiving combination protease inhibitors and nucleoside analogues. The prevalence of lipodystrophy has been estimated to be between 30% and 50%. The nucleoside analogue linked most strongly is stavudine. Hyperpigmented bands on fingernails are reported to be seen in HIV patients on zidovudine.

Seborrheic dermatitis, pityriasis versicolor, and psoriasis were seen in few patients in our study. There are reports of the above occurring in 7.4%–56% of HIV patients.[7],[12],[24] It is one of the earliest clinical marker of HIV. Psoriasis can present with severe and atypical lesions in HIV.[25],[26]

CD4 count is considered as a marker of disease progression. CD4 count should be monitored every 3–6 months to identify this. In resource-poor set up, it may not be possible to get the CD4 count done at regular intervals.

Other surrogate markers such as TLC and HB% have been recommended by initiation of ART.

Many studies conducted in developed and developing countries have demonstrated a reasonable correlation between TLC and CD4 counts in symptomatic patients. It means that even if CD4 cell count testing is unavailable, simple test like TLC can be used as laboratory markers to initiate HAART in resource-poor settings.[2]

However, it is said that the sensitivity and specificity of TLC are not sufficiently high to replace CD4 counts. In addition, the use of TLC in monitoring response to treatment is unproven. Hence, TLC is not recommended as a marker for decision about initiation of ART till now.[27] Studies regarding the occurrence of mucocutaneous manifestations and the corresponding TLC are lacking. In our study, among the patients who presented with cutaneous manifestation, 37% had TLC <1200 and 63% had TLC >1200; we also noted that 40% of the patients had TLC between 1200 and 1500 among the 61% patients who had TLC <1500. It means that the majority of patients clustered in between TLC 1200 and 1500. Among patients who presented with mucocutaneous manifestation, 56.1% had a CD4 <200 and 43.9% had a CD4 >200/μL.

The mean TLC and mean CD4 among the patients with mucocutaneous manifestations was 1570 and 229, respectively. The mean TLC and CD4 of different disease categories was not statistically significant. In our study, the correlation between CD4 count and TLC was not found to be significant.


   Conclusion Top


Mucocutaneous manifestations are common in patients with HIV/AIDS. In our study, the prevalence was 53.8%. The most common manifestation in our study was oral candidiasis, followed by herpes zoster and dermatophytoses. Adverse drug reaction to HAART was less commonly seen.

Majority of patients had a TLC <1500 and CD4 <200/μL. There was a cluster of patients between TLC 1200 and 1500. This is slightly higher than the TLC which was recommended as a criteria to start ART, that is 1200. In our study, the correlation between TCL and CD4 count was statistically not significant. However, due to the clustering of cases between 1200 and 1500, we recommend that the cut off could be altered so that TLC can still be considered as a surrogate marker when CD4 is unavailable. Since CD4 is not easily available in most of centers, TLC at this level can also be considered as a marker for disease progression.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form, the patient(s) have given their consent for their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
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    Figures

  [Figure 1], [Figure 2], [Figure 3], [Figure 4]
 
 
    Tables

  [Table 1], [Table 2], [Table 3]



 

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