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What is HIV?
‘HIV’stands for Human Immunodeficiency Virus, is the
virus that attacks the immune systems, the body’s natural
defense system. HIV attacks and destroys a type of white cell
called a CD4 cell or T-cell.
This cell’s main function is to fight diseases. When a
person’s CD4 cell count gets low, they are more susceptible
to illnesses.
Over time, HIV can destroy so many of your CD4 cells and
lead to AIDS, the final stage of HIV infection.
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What is AIDS?
‘AIDS’stands for Acquired Immune-deficiency Syndrome, is the
syndrome which appears in advance stage of HIV infection.
This is the stage of infection that occurs when the immune system is
badly damaged and the person become vulnerable to opportunistic
infection and illness; those illness said to be AIDS defining condition.
When the number of CD4 cells falls 200 cells/mm3,or develop one
or more opportunistic illnesses (AIDS defining condition*), the person
is considered to have progressed to AIDS.
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WHO CLINICAL STAGINGOF HIV Oral
DISEASES
Clinical Stage 1:-
Asymptomatic Persistent generalized lymphadenopathy
Clinical Stage 2
Angular cheillits and recurrent oral ulcerations
Clinical Stage 3
persistent oral candidiasis, oral hairy leucoplakia, acute necrotizing
ulcerative stomatitis, gingivitis or periodontitis
Clinical Stage 4
kaposi sarcoma and B cell Non-hodgkin lymphoma.
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What are thesigns of HIV/AIDS (oral
manifestation) in the mouth?
Factors that predispose to HIV-related oral conditions:-
1. CD4+ cell count of less than 200/µL
2. plasma HIV-RNA levels greater than 3000 copies/mL,
3. poor oral hygiene
4. Smoking
NB*
7.
CONT’D
The oral cavitymay also be a primary source of infection in any
individual, which may spread via the mucosal associated lymphoid
tissue or stimulate systemic inflammatory immune responses.
2
8.
Group 1: Lesionsstrongly associated with HIV infection
Candidiasis: Pseudomembranous and erythematous
Oral Hairy Leukoplakia
Non-hodgkin’s Lymphoma
Kaposi’s Sarcoma
Periodontal Diseases: Linear gingival erythema, necrotizing
ulcerative gingivitis and necrotizing ulcerative periodontitis
4
9.
Group 2: LesionsLess Commonly Associated With HIV
Infection
• Bacterial: M. avium and M.TB
• Necrotizing Ulcerative Stomatitis
• Thrombocytopenic Purpura
• Viral: herpes simplex, human papilloma virus & varicella zoster
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Oral Manifestationsof HIV Infection
Type of Infection Oral Disease
Fungal
Candidiasis
- Pseudomembranous, Erythematous,
and Angular Cheilitis
Invasive Fungal Infections
- Histoplasmosis, Mucormycosis, Crytococcosis
Viral
Herpes Simplex
Herpes Zoster
Cytomegalovirus
Hairy Leukoplakia (Epstein Barr Virus)
Oral Warts (Human Papilloma Virus)
Human Herpes Virus–8 [Kaposi’s sarcoma]
Bacterial
Linear Gingival Erythema
HIV-associated periodontitis
Necrotizing Ulcerative Periodontitis
Tuberculosis*
Bacillary angiomatosis*
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Oral Manifestations ofHIV Infection
Type of Lesion Oral Disease
Neoplastic
Kaposi’s Sarcoma (KS) [HHV-8]
Lymphoma -Non-Hodgkin’s
Squamous Cell Carcinoma*
Other
HIV-associated Necrotizing Ulceration
HIV-Salivary Gland Disease/Xerostomia
Immune Thrombocytopenic Purpura*
Abnormalities of Mucosal Pigmentation
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Fungal Infections
1. OralCandidiasis
Oral candidiasis is the most common intraoral
manifestation of HIV infection, predominantly due to
Candida albicans.
The three common presentations of oral
candidiasis are:- pseudomembranous candidiasis,
erythematous candidiasis and angular cheilitis.
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Pseudo-membraneous Candidiasis
Most commonoral lesion
appears as multiple creamy white or yellow
patches/plaques located anywhere in the mouth that
can be rubbed off leaving red surface with or without
bleeding.
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Erythematous / AtrophicCandidiasis
presents as a red, flat, subtle lesion on the dorsal
surface of the tongue or on the hard or soft palates
It may present as a “kissing” lesion
A variant is median rhomboid glossitis: a red smooth
depapilated area in the middle of the tongue.
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Treatment - erythematousand
pseudomembranous candidiasis
Topical treatments for mild to moderate cases
Clotrimazole troches :- 10 mg: Dispense 70, dissolve 1 troche in
mouth 5 times a day for 14 days
Nystatin oral suspension :- 500,000 units: Swish 5 mL in mouth as
long as possible then swallow (optional), 4 times a day for 14 days
Nystatin pastilles :- 100,000 units: Dispense 56, dissolve 1 in mouth 4
times a day for 14 days
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Angular Cheilitis
Angular cheilitispresents as fissures or linear ulcers
unilateral or bilaterally at the corners of the mouth. It can
appear alone or in conjunction with another form of
candidiasis.
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Viral infections
1. HerpesSimplex Virus (HSV)
Occurs as an intraoral and perioral variant
Severity of mucocutaneous disease increases as CD4 counts
decrease below 100 cells/mm3
The presence of HSV infection for more than 1 month
constitutes an AIDS-defining condition.
HSV infection appears as a crop of vesicles usually on the hard
palate and gingiva and/or lips. The vesicles rupture and form
irregular painful ulcers
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2. Varicella ZosterVirus (VZV)
Herpes zoster/Shingle
Oral lesions begin as vesicles or ‘bubbles’ but they later
burst to form ulcers or open sores
Most commonly on the palate, distributed along a unilateral
division of fifth cranial nerve- Follow dermatome for
trigeminal nerve
Patients often complain about severe pain
Treatment: Acyclovir, Valacyclovir or famciclovir
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3. Cytomegalovirus (CMV)
Oral CMV infection is associated with severe immune
suppression
Observed only in the patient with CD4 count below 100
cells/mm3 in the disseminated form of the disease
Present as painful, large, sharply demarcated, and
nonspecific ulcerations in any area of the oral mucosa
Treatment : Intravenous (IV) ganciclovir or acyclovir may be
given in high doses
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4. Epstein-Barr Virus(EBV)
Oral Hairy Leukoplakia
Reliable indicator for HIV infection and a predictor for
subsequent development of AIDs
Presents as a white, corrugated or folded lesion on the
lateral borders of the tongue
look like thrush but can’t easily be removed
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Clinical Diagnosis:
Marker fordisease progression (CD4 <300 cells/mm3
)
Definitive diagnosis requires identification of EBV in
infected epithelial cells
Marker for immune suppression (non-HIV patients)
Treatment: Acyclovir, Podophyllum resin
OHL usually does not require any treatment, but in
severe cases systemic antivirals are recommended.
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5. Human Papillomavirus(HPV) infection
Appear as Exophytic, papillary lesions with a cauliflower-like
surface to raised, flat, smooth lesions
May be solitary or multiple and painless
Treatment: Treatments for HPV include :-
surgical removal
CO2 laser ablation
Cryotherapy
Interferon-alpha
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Peridontal Bacteria Infections
HIVassociated periodontal diseases is characterized by
bleeding gums, bad breath, pain/discomfort, mobile teeth,
and sometimes sores
classified into 3 forms :-
Linear gingival erythema
Necrotizing ulcerative gingivitis (NUG)
Necrotizing ulcerative periodontitis (NUP)
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Linear Gingival Erythema
Presentas a 1-3 mm red band along the gingiva margin and may
or may not accompanied by occasional bleeding and discomfort
No ulceration is present. No evidence of pocketing or
attachment loss.
Most frequently in association with anterior teeth, but
commonly extends to the posterior teeth
Erythema does not respond to removal of local factors
(bacterial plaque/calculus)
Cause is not known
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Necrotizing ulcerative gingivitis(NUG)
NUG is more common in adults than in children
The condition is characterized by severe pain, loosening of teeth,
bleeding, and halitosis
Ulcerated gingival papillae, and rapid loss of bone and soft tissue
Patients often refer to the pain as “deep jaw pain.”
Although necrotizing gingivitis and necrotizing periodontitis may
reflect the same disease entity, they are differentiated by the rapid
destruction of soft tissue in the former condition and hard tissue in
the latter.
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Treatment
Removal of dentalplaque, calculus, and necrotic soft tissues
utilizing a 0.12% chlorhexidine gluconate or 10% povidone-iodine
lavage
Prescribe narrow spectrum antibiotics:-
metronidazole 500 mg, dispense 14 to 20 tablets, take 1 tablet
twice daily for 7 to 10 days
Other antibiotic options include clindamycin and amoxicillin
Pain management is extremely important
Nutritional supplementation or counseling may be necessary
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Neoplasms
Kaposi Sarcoma
Kaposi’s sarcoma(KS) is a spindle-cell tumour of
lymphoendothelial origin. All forms of KS are due to sexually
transmitted human herpesvirus 8
KS occurs in four patterns: classical KS, endemic KS, KS in
patients on immunosuppressant drugs and AIDS-associated KS.
AIDS-associated KS is always a multicentric disease. Early
mucocutaneous lesions are macular and may be difficult to
diagnose. Subsequently, lesions become papular or nodular,
and may ulcerate.
KS lesions typically have a red–purple colour but may become
hyperpigmented, especially in dark-skinned patients.
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CONT’D
KS often involvesthe mouth, especially the hard
palate .Nodular oral lesions are associated with a worse
prognosis
Diagnosis: biopsy is required to make a definitive diagnosis
although a presumptive diagnosis is sometimes made from
clinical presentation and history
KS may respond to ART. Chemotherapy should be reserved
for those patients who fail to remit on ART
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Treatment
Management of oralKaposi’s sarcoma includes local and
systemic treatment depending on the clinical stage
The local treatment can be surgical or laser excision and
radiotherapy
Systemic treatment is single or combined chemotherapy
localized injections of chemotherapeutic agents, such as
vinblastine sulfate
Oral hygiene must be stressed
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Non-Hodgkin Lymphoma
Second mostcommon neoplasm associated with AIDS.
It comprises a group of malignant lymphproliferative diseases and is
an AIDS-defining condition.
Lesions tend to present as large, painful, ulcerated mass on palate,
gingival tissues and may progress rapidly.
Biopsy- for definitive diagnosis.
Treatment requires systemic combination of chemotherapy and
occasional radiotherapy.
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Conclusion
Oral conditions seenin association with HIV disease are still quite
prevalent and clinically significant.
A thorough examination of the oral cavity can easily detect most of
the common lesions.
An understanding of the recognition, significance, and treatment of
said lesions by primary healthcare providers is essential for the health
and well-being of people living with HIV disease.
#6 For persons living with HIV disease who are not yet on therapy, the presence of certain oral manifestations may signal progression of HIV disease.
For individuals with unknown HIV status, oral mani-festations may suggest possible HIV infection, although they are not diag-nostic of infection.
For patients on antiretroviral therapy, the presence of certain oral manifestations may signal an increase in the plasma HIV-1 RNA level.
#13 This type most often affects the tongue, although every area of the oral mucosa may be affected.
diagno-sis is based on appearance.
#16 if a lesion is present on the tongue, the palate should be examined for a matching lesion, and vice versa.
#17 The condition tends to be symptomatic, with patients complain-ing of oral burning, most frequently while eating salty or spicy foods or drinking acidic beverages. Clinical diagnosis is based on appearance, as well as on the patient’s medical history and virologic status. The presence of fungal hyphae or, more likely, blastospores can be confirmed by performing a potassium hydroxide (KOH) preparation.
#18 nystatin oral suspension contains 50% sucrose, which is cariogenic; this is less of a potential problem if fluoride is prescribed along with the nystatin.
#19 Hyperkeratosis may be present peripheral to the fissure
#41 Periodontal Considerations: Linear Gingival Erythema (LGE)
Clinical Features:
Distinct erythematous band which can extend into the alveolar mucosa. Localized or generalized. Bleeds on probing; often edemaous. No attachment loss. Unrelated to plaque.
Differential Diagnosis:
Distinct from gingivitis in that it does not necessarily respond to scaling or plaque control.
Treatment and Management:
Scaling, root planing, chlorhexidine and treatment with an antifungal for the non-responders.
This lesion may, but not necessarily, progress on to necrotizing ulcerative periodontitis. Prevalence among the HIV population is unclear although clearly less than 10% and may be much lower than this.
#43 Periodontal Considerations: Necrotizing Ulcerative Periodontitis (NUP)
Clinical Features:
Severe soft-tissue necrosis and destruction of the periodontal attachment and osseous supporting structure. Significant loss over a very short period of time. Often accompanied by spontaneous gingival bleeding with patients reporting a deep-seated bone pain.
Differential Diagnosis:
Necrotizing Stomatitits
Lymphoma
NUG
Treatment and Management:
Treatment consists of antibiotic therapy (metonidazole/augmentin) along with careful debridement, chemotherapeutics (chlohexidine/betadine) and oral hygiene instruction. Relief for patients is generally achieved with 24-48 hours once antibiotic therapy is instituted.