HIV-associated malignancies Flashcards
HIV is associated with what THREE AIDS-defining cancers?
KAPOSI sarcoma
high grade B cell non-Hodgkin LYMPHOMA
invasive CERVICAL cancer
What virus causes Kaposi sarcoma?
Kaposi sarcoma herpesvirus or human herpesvirus 8 (HHV8)
Where in the body does KS typically present?
cutaneous or mucosal lesions
What proportion of people with KS have visceral disease?
14%
What THREE factors are included in the KS clinical staging system?
1) TUMOUR related criteria
2) host IMMUNOLOGICAL status
3) presence of SYSTEMIC illness
What TWO factors confer an improved prognosis in KS?
1) FIRST AIDS illness
2) increasing CD4, improvement with every 100cells
What TWO factors confer a poorer prognosis in KS?
1) age >50 yrs
2) SYSTEMIC disease
What blood test gives idea of KS tumour burden and acts as a prognostic indicator?
HHV8 DNA level
What are the FIVE stages of response criteria for KS?
1) Complete response
2) Clinical complete response
3) Partial response
4) Stable disease
5) Progressive disease
What is the difference between complete response and clinical complete response in KS criteria?
complete - clinical and histological
clinical - no KS lesions, no histological confirmation
What is the reduction in KS since HAART introduction?
14% (1980s) to 2% (2000s)
Which antivirals have been shown to reduce the risk of KS?
GANCICLOVIR
FOSCARNET
Which common antiviral has NOT been shown to reduce the risk of KS?
ACICLOVIR
What has been most effective against HHV8 replication - ART or antivirals such as ganciclovir?
ART
LOCAL therapies for cutaneous KS are now uncommon due to ART - list FIVE?
RADIOTHERAPY RETINOIDS VINBLASTINE CRYOTHERAPY EXCISION
What proportion of patients with KS starting ART experience IRIS?
up to 29%
How is IRIS KS managed?
systemic CHEMOTHERAPY
When is systemic cytotoxic chemotherapy recommended for KS?
ADVANCED
SYMPTOMATIC
rapidly PROGRESSIVE
Poor prognostic risk index
Which TWO chemotherapy classes are typically used against KS?
LIPOSOMAL ANTRACYCLINES (doxorubicin)
&
TAXANES (Paclitaxel)
Which chemotherapy is GOLD STANDARD against KS?
LIPOSOMAL ANTRACYCLINES (doxorubicin)
What side effects are associated with LIPOSOMAL ANTHRACYCLINE ie doxorubicin?
ALOPECIA
EMESIS
MYELOSUPPRESSION
When might interferon-A be used for KS?
RARELY
residual KS
reconstituted immune system
What other targeted therapies may be useful in treatment of KS?
anti-VEGF-A monoclonal antibody (BEVACUZIMAB)
c-kit (IMATINIB)
inhibition of Ras/Raf/MEK/ERK (SELUMETINIB - MEK inhibitor)
What is RECOMMENDED local therapy for KS?
RADIOTHERAPY
or
INTRALESIONAL VINBLASTINE
What is SECOND line chemotherapy for KS?
TAXANES (ie paclitaxel)
What are the TWO most common subtypes of Non-Hodgkin lymphoma for PLW HIV?
Diffuse large B cell
&
Burkitt’s lymphoma/leukaemia
At what stage do PLW HIV present with Non-Hodgkin lymphoma?
ADVANCED clinical stage
B symptoms
EXTRANODAL involvement inc bone marrow
What is the survival for PLW HIV and non-HOdgkin lymphoma?
On ART:
near HIV negative population
dependent on HISTOLOGICAL type
What BASELINE investigations are required for work up of AIDS-related lymphoma?
BLOOD tests
CT
BONE MARROW aspirate and trephine
Why is PET scan recommended in AIDS-related lymphoma work up?
Improves STAGING accuracy
When should CSF sampling be done in work up for AIDS-related lymphoma?
CNS symptoms or involvement of: PARANASAL sinus BREAST EPIDURAL TESTICULAR
Which Non-Hodkin lymphoma subtype has a high risk of CNS involvement?
BURKITTS
What staging classification should be used for AIDS-related lymphoma?
Ann Arbor
Which PLW HIV are more at risk of infection-related mortality during treatment for AIDS-related lymphoma?
CD4 cell count <50
Which parts of the body should be CT scanned for work up for AIDS-related lymphoma?
Neck, chest, abdomen, pelvis
What infections should be screened for in the work up for AIDS-related lymphoma?
Hepatitis B (HBsAg, sAB, cAb)
Hepatitis C (HCV Ab)
Varicella (VZV IgG)
CMV IgG
In addition to renal, liver and bone profile what other biochemistry is required for work up for AIDS-related lymphoma?
LDH URATE IMMUNOGLOBULINS PROTEIN ELECTROPHORESIS B2 MICROGLUBULIN CRP
Which blood test result is used in prognostic scoring for non-Hodgkin lymphoma?
LDH
Pre-HAART what limited clinical outcomes with chemotherapy for AIDS-related lymphoma?
Risk of opportunistic INFECTION
and
DEATH
(despite lymphoma response)
What TWO factors has led to conventional chemotherapy and doses to be able to be used for PLW HIV with AIDS-related lymphoma?
1) HAART
2) haematopoietic growth factors (G-CSF)
FIRST LINE treatment for diffuse large B cell lymphoma?
CHOP cyclophosphamide doxorubicin vincristine prednisolone
What is the potential advantage of EPOCH vs CHOP chemotherapy for diffuse large B cell lymphoma?
Potentially as effective with less toxicity
Multi-agent
LOW dose
PROLONGED exposure
When is radiotherapy indicated for diffuse B cell lymphoma?
stage I or II disease
in combination with chemo
Not common
What are the BENEFITS of addition of RITUXIMAB to chemotherapy for diffuse B cell lymphoma in PLW HIV?
Improved RESPONSE rate
reduced PROGRESSION of lymphoma on treatment
reduced DEATH due to lymphoma
What is the RISK of addition of RITUXIMAB to chemotherapy for diffuse B cell lymphoma in PLW HIV?
increase DEATH due to INFECTION
CD4 cell count <50
Is RITUXIMAB recommended for PLW HIV and diffuse B cell lymphoma?
YES
What additional prophylactic measures should be taken if a PLW HIV has CD4 cell count <50 and is being treated with RITUXIMAB as part of diffuse B cell lymphoma chemotherapy?
antimicrobial PROPHYLAXIS - cotrimoxazole - fluconazole - aciclovir - azithromycin preemptive G-CSF prompt treatment of opportunistic infection
What is the BENEFIT of HAART in treatment of AIDS-related lymphoma?
reduce OPPORTUNISTIC infection
superior RESPONSE rate
&
SURVIVAL
What is the difference in treatment strategy for HIV Burkitts lymphomas vs HIV diffuse B cell lymphoma?
more INTENSIVE
CNS penetration
FIRST LINE treatment for Burkitts lymphoma in PLW HIV?
CODox-M/IVAC cyclophosphamide vincristine doxorubicin methotraxate ifosamide etoposide cytarabine
What is an ALTERNATIVE treatment for Burkitt’s lymphoma in PLW HIV to CODox-M/IVAC?
DA-EPOCH dose adjusted etoposide prednisone vincristine cyclophosphamide hydroxydaunorubicin
What chemotherapy related toxicity is universal in treatment for Burkitts lymphoma?
NEUTROPENIC fever
MUCOSITIS
due to intensive regimen
Is RITUXIMAB recommended for PLW HIV and Burkitt’s lymphoma?
YES
What is the impact of HIV on risk of CNS involvement with lymphoma?
HIGHER incidence
What is the prognostic implication of SECONDARY CNS lymphoma (ie in context of other systemic lymphoma type)?
VERY POOR prognosis
How can the risk of secondary CNS lymphoma be reduced?
PREVENTIVE treatment as part of FIRST LINE chemotherapy
Which anatomical sites affected by lymphoma increase the risk of CNS relapse?
TESTES PARANASAL PARASPINAL EPIDURAL BREAST RENAL TESTICULAR
Which lymphoma subtype should include INTRATHECAL CNS chemotherapy in PLW HIV?
BURKITT’S
What adverse event is common when giving chemotherapy for a cancer with high tumour burden, especially so for lymphoma?
TUMOUR LYSIS SYNDROME
Within what time frame does tumour lysis syndrome most commonly occur after chemotherapy for lymphoma?
12-72 hours
What preventative therapy can be used to reduce the effect of tumour lysis syndrome?
HYDRATION
anti-URATE (rasburicase or allopurinol)
measurement and correction of electrolyte disturbance
For RELAPSED or REFRACTORY AIDS-related lymphoma, what is the treatment?
INTENSIFIED chemotherapy inc PLATINUM
&
AUTOLOGOUS STEM CELL TRANSPLANT (ASCT)
What might be a typical INTENSIFIED second line treatment of RELAPSED AIDS-related lymphoma?
DHAP
dexamethasone
high-dose cytarabine
cisplatin
When is response to first line treatment usually first assessed for AIDs-related lymphoma?
HALF WAY through treatment
What imaging modality is SUPERIOR when assessing for treatment response at the end of treatment for AIDS-related lymphoma?
PET scan
Which chemotherapy is associated with cardiomyopathy and heart failure and might need follow up in people treated for AIDs-related lymphoma?
ANTHRACYCLINES (doxorubicin)
Which haematological malignancies are associated with chemotherapy for lymphoma?
MYELODYSPLASIA
ACUTE MYELOID LEUKAEMIA
What is the definition of primary CNS lymphoma?
non-hodgkin lymphoma
confined to cranio-spinal axis
no systemic involvement
What virus is found in CNS cells in HIV-associated primary CNS lymphoma?
EBV
How does primary CNS lymphoma most commonly present on CT scan?
DIFFUSE and MULTIFOCAL supratentorial brain masses
Which parts of the eye can be involved in primary CNS lymphoma?
VITREOUS
RETINA
OPTIC nerve
What additional work up is recommended for primary CNS lymphoma?
CT
Bone marrow biopsy
Testicular ultrasound
On identifying brain lesions, in addition to work up for primary CNS lymphoma what initial treatment should be given?
anti-TOXOPLASMOSIS treatment
TWO weeks
sulfadiazine 1g 4xdaily
pyrimethamine 75mg daily
What impact has HAART had on the incidence of primary CNS lymphoma?
REDUCED dramatically
What is the preferred treatment of primary CNS lymphoma for PLW HIV on HAART?
TWO chemotherapy agents
METHOTREXATE
+
cytarabine
When is radiotherapy indicated for primary CNS lymphoma?
if TOXICITY with chemotherapy too high
or
PALLIATIVE for symptom control
What is primary EFFUSION lymphoma?
HIV-associated non-HOdgkin lymphoma SEROUS body cavities - pleural - peritoneum - pericardial NO tumour mass or lymphadenopathy
Which virus is primary effusion lymphoma associated with?
HHV8
What is proportion of HIV-related non-Hodgkins lymphoma does primary effusion lymphoma account for?
4%
What is proportion of NON-HIV-related non-Hodgkins lymphoma does primary effusion lymphoma account for?
<1%
Does primary effusion lymphoma affect MEN or WOMEN?
MEN
In addition to HHV8, which other virus MAY play a role in primary EFFUSION lymphoma?
EBV
What is the typical clinical presentation of primary effusion lymphoma?
Dyspnoea (pleural or pericardial involvement)
or
Abdominal distension (peritoneal involvement)
What immunohistochemistry stain should be performed on the serous fluid to confirm primary EFFUSION lymphoma?
HHV8
What is the FIRST LINE treatment for primary EFFUSION lymphoma?
HAART \+ CHOP cyclophosphamide doxorubicin vincristine prednisolone
PLASMABLASTIC lymphoma is a subtype of which lymphoma group?
Diffuse large B cell lymphoma
How many SUBTYPES are there for plasmablastic lymphoma?
THREE
Describe the THREE subtypes of PLASMABLASTIC lymphoma.
ORAL mucosa, monomorphic plasmablasts
EXTRAORAL more plasmablastic differentiation
associated with CASTLEMANN’S disease
Does PLASMABLASTIC lymphoma affect MEN or WOMEN?
MEN
Which virus is plasmablastic lymphoma associated with?
EBV
What is the UNIQUE presenting feature of PLASMABLASTIC lymphoma?
occurs in ORAL cavity of HIV +ve people
What are the most common EXTRAORAL sites in PLASMABLASTIC lymphoma?
GI tract
lymph nodes
skin
What is the RECOMMENDED treatment for plasmablastic lymphoma?
HAART \+ CHOP (ie anthracycline containing regimen) cyclophosphamide doxorubicin vincristine prednisolone
What is the association between HPV and women with HIV vs women without HIV?
women with HIV
more likely to have
HPV 16 or 18
What is the association between cervical intraepithelial neoplasia (CIN) and women with HIV vs women without HIV?
women with HIV
more likely to have
CIN
What is the association between CD4 cell count and incidence of CIN?
lower CD4 cell count - CIN INCREASED
higher CD4 cell count - CIN DECREASED and less progression
What are the risk factors for treatment failure of CIN in women living with HIV?
CD4 cell <200
high viral load
no HAART
What imaging modality is used to stage invasive cervical carcinoma?
MRI
What BENEFIT may PET or PET-CT add in the staging of invasive cervical carcinoma?
to identify metastatic lymphadenopathy
What effect does HIV have on invasive cervical cancer compared with women without HIV?
occurs at a YOUNGER age
In addition to annual cervical cytology what additional screening investigation is recommended for women living with HIV?
initial COLPOSCOPY at time of diagnosis
What is the incidence of anal cancer in PLW HIV vs general population?
40 times HIGHER
Which specific patient group demographic of PLW HIV has the highest risk of ANAL cancer?
MSM
What is the association with HAART and incidence of anal cancer in PLW HIV?
INCREASED
Why has anal cancer incidence increased since HAART was introduced?
longer SURVIVAL of PLW HIV
progression of HPV to anal dysplasia to invasive anal cancer
What are the clinical features of anal cancer?
Rectal BLEEDING
PAIN
INCONTINENCE (if sphincter involved)
What imaging is required to stage ANAL cancer?
CT chest, abdomen, pelvis \+ MRI pelvis (to assess lymph nodes and local extension)
What potential BENEFIT might PET imaging offer in initial work up of ANAL cancer?
greater ACCURACY in identifying inguinal lymph nodes
Tumour grading of ANAL cancer is based on what size intervals?
<2cm (T1)
2-5cm (T2)
>5cm (T3)
local invasion (T4)
FIRST LINE treatment - ANAL cancer?
concurrent CHEMORADIOTHERAPY 5fluorouracil (5FU) \+ mitomycinC \+ Radiotherapy
What is the potential role of intensity-modulated radiation therapy in treatment of ANAL cancer?
HIGH dose radiation
less TOXICITY
What is the benefit of HAART in addition to chemoradiotherapy for anal cancer?
less TOXICITY of chemoradiotherapy
improved SURVIVAL
When is surgical resection indicated in treatment of ANAL cancer?
SALVAGE therapy for residual disease or local recurrence
What surgical intervention is indicated for SALVAGE therapy for ANAL cancer?
Abdominoperineal excision of rectum and anal canal \+ colostomy with reconstructive pedicle flap
In patients with anal intraepithelial neoplasia (AIN) what follow up is recommended?
surveillance by HIGH RESOLUTION ANOSCOPY
How much more common is Hodgkins lymphoma in PLW HIV vs the general population?
10 to 20 fold INCREASE
At what stage of disease are PLW HIV more likely to present with Hodgkins lymphoma?
ADVANCED
EXTRANODAL involvement esp BONE MARROW
B symptoms
poor PERFORMANCE status
What investigation is mandatory as part of the work up for Hodgkin lymphoma in PLW HIV but not HIV negative people?
BONE MARROW biopsy
Why is bone marrow biopsy mandatory as as part of the work up for Hodgkin lymphoma in PLW HIV but not HIV negative people?
HIGHER proportion of bone marrow involvement
At what CD4 cell count is there a HIGHER incidence of Hodgkin lymphoma?
<200cells
What is the treatment decision for HIV-associated Hodgkin lymphoma based on?
STAGE of disease
early favourable
early unfavourable
advanced
What it the recommended treatment for HIV-associated Hodgkin lymphoma?
chemotherapy + radiotherapy ABVD doxorubicin bleomycin vinblastine dacarbazine
Which ART should be avoided in combination with chemotherapy for Hodgkin lymphoma?
PI/ritonavir boosted
What it the recommended treatment for relapsed or refractory HIV-associated Hodgkin lymphoma?
High-dose SALVAGE chemotherapy
+
autologous STEM CELL Transplant
Against what organisms is prophylaxis recommended during treatment for HIV-related lymphomas?
PCP
MAI
Fungal infection
What follow up investigation should be performed after treatment for HIV-associated Hodgkin lymphoma?
FDG-PET
+
BONE MARROW biopsy (if involved)
What effect does HIV have on the interpretation of PET scan?
INCREASED uptake of FDG if unsuppressed VIRAL LOAD
What long term follow up is required for patients who have had radiotherapy for Hodgkin lymphoma?
Thyroid function tests
&
Mammography (if female)
What is multi centric Castlemann’s disease?
LYMPHOPROLIFERATIVE disease
HHV8
How does multi centric Castlemann’s disease classically present?
FEVER
ANAEMIA
multifocal LYMPHADENOPATHY
How does multi centric Castlemann’s disease present differently in PLW HIV vs HIV negative people?
YOUNGER age
What other neoplastic process is associated with multi centric Castlemann’s disease?
Kaposi sarcoma
Which virus is multi centric Castlemann’s disease associated with?
HHV8
How does the incidence of multi centric Castlemann’s disease differ between people of African ancestry and non-AFrican ancestry?
HIGHER incidence 2 to 4 fold
What are the initial baseline investigations for work up of multi centric Castlemann’s disease?
CT neck, chest, abdomen, pelvis
LYMPH NODE biopsy
Immunohistochemistry for HHV8 and IgM lambda
HHV8 viral load
What is the characteristic histology of multi centric Castlemann’s disease?
‘onion skin’ appearance
interfollicular plasmablasts
HHV8
What is the utility of HHV8 viral load testing in the diagnosis of multi centric Castlemann’s disease?
LOW viral load may EXCLUDE multi centric Castlemann’s disease (<1000copies/ml)
When should a BONE MARROW biopsy be considered in work up for multi centric Castlemann’s disease?
if haemophagocytic lymphohistiocytosis (HLH) is suspected
Multi centric Castlemann’s disease is potentially fatal, through what mechanism?
organ FAILURE
What malignancy is multi centric Castlemann’s disease associated with a higher incidence of?
Non-Hodgkin lymphoma
Why does ART apparently not improve clinical outcomes for multi centric Castlemann’s disease?
multi centric Castlemann’s disease may ‘ESCAPE’ immune reconstitution
Multi centric Castlemann’s disease is a relapsing and remitting disease, through what mechanism does an ‘attack’ occur?
CYTOKINE STORM
What blood test can predict a ‘relapse’ of Multi centric Castlemann’s disease?
HHV8 viral load RISE
What is recommended FIRST LINE treatment for multi centric Castlemann’s disease?
RITUXIMAB
What is recommended treatment for RELAPSED multi centric Castlemann’s disease?
RITUXIMAB
In addition to rituximab what should be added to treatment for aggressive multi centric Castlemann’s disease?
Chemotherapy CHOP cyclophosphamide doxorubicin vincristine prednisolone
What should be measured as clinical monitoring for people with multi centric Castlemann’s disease in remission?
HHV8 levels
Which testicular cancer has an increased risk associated with HIV?
SEMINOMA
What is the expected survival rate for people with SEMINOMA and HIV on ART?
similar to HIV negative comparisons
What are the specific baseline investigations for testicular cancer?
US testes \+ HCG \+ AFP
Which TWO tumour markers are required in the work up of testicular cancer?
AFP
+
HCG
What factors that may be related to HIV can contribute to false-positive AFPs?
HAART
or
hepatitis related liver disease
What is the differential diagnosis of testicular mass in a PLW HIV?
ORCHITIS
LYMPHOMA
What imaging is required for staging in testicular cancer?
CT chest, abdomen, pelvis
STAGE 1 testicular germ cell cancer - what is the treatment?
SURVEILLANCE or Seminoma - CARBOPLATIN or Non-seminoma germ cell tumour - BEP bleomycin etoposide platinum
What is the chemotherapy for STAGE 1 SEMINOMAS?
CARBOPLATIN
What is the chemotherapy for STAGE 1 NON-SEMINOMA GERM CELL TUMOUR?
BEP
bleomycin
etoposide
platinum
Surveillance is a suitable option for stage 1 testicular germ cell cancers, in what instance is better to start chemotherapy?
HIGH RISK disease
or
CHAOTIC lifestyle, unlikely to engage with follow up
What is the treatment for metastatic testicular germ cell cancer?
BEP bleomycin etoposide cisplatin (either THREE or FOUR cycles) \+ HAART
What antimicrobial prophylaxis may be required during chemotherapy for metastatic testicular germ cell cancer?
antifungals
What THREE non-AIDS defining malignancies have higher risk associated with HIV?
TESTICULAR GERM CELL
NON-SMALL CELL LUNG
HEPATOCELLULAR
Which lung cancer type is increased in PLW HIV?
NON-small cell lung cancer
How does the presentation of non-small cell lung cancer in PLW HIV differ to those HIV-negative?
YOUNGER age
ADVANCED disease
Which parts of the body need imaging in work up for non-small cell lung cancer?
CT chest abdomen adrenals BONE SCAN
What are the treatment options for non-small cell lung cancer?
curative SURGERY
CHEMORADIATION
TARGET receptor therapy
HAART
What is the treatment for METASTATIC non-small cell lung cancer?
ERLOTINIB or GEFITINIB
(epidermal growth factor receptor (EGFR) targeting tyrosine kinase inhibitors (TKI))
or
CHEMOTHERAPY
If a non-small cell lung cancer expresses EGFR mutations what are the treatment options?
ERLOTINIB or GEFITINIB
epidermal growth factor receptor (EGFR) targeting tyrosine kinase inhibitors (TKI)
What proportion of people in Western countries are co-infected with HIV and hepatitis C?
30%
What impact does HIV infection have on hepatitis C?
increases likelihood of CHRONIC infection ie not clearing it
hastens development of CIRRHOSIS
Through what mechanism might HCC occur without cirrhosis due to hepatitis B infection?
hepatitis B is directly CARCINOGENIC
What association is there between CD4 count and HCC development in hepatitis B and HIV co-infection?
LOWER CD4 count = higher risk of HCC
What impact does HIV infection have on hepatitis B?
accelerates PROGRESSION of hepatitis B infection
Which hepatitis (B or C) is associated with more HCC in co-infection with HIV?
Hepatitis C
What is the investigations or surveillance for HCC?
AFP
US liver
What imaging is required to stage HCC?
CT chest, abdomen, pelvis
What impact does HIV have on HCC patients risk of liver disease?
more likely to have COMPENSATED LIVER DISEASE
For HCC, when is surgical resection an option?
Solitary, or small number of lesions
Is biopsy required if complete resection of HCC is possible?
No (potential to seed)
What are the alternative treatment options to resection for localised HCC disease?
Injection of ETHANOL
RADIOFREQUECNY ablation
Transarterial CHEMO-EMBOLISATION
What is the criteria for the HCC lesion to be considered for liver transplant?
THREE liver lesions <3cm
or
ONE liver lesion <5cm
What additional consideration is required when planning liver transplant for a PLW HIV?
potential for drug-drug interaction with
IMMUNOSUPRRESANTS ie tacrolimus
What is sorafenib?
Tyrosine kinase inhibitor
Sorafenib, a tyrosine kinase inhibitor, targets what?
Raf cascade
What target cell therapy is used for HCC treatment?
SORAFENIB (tyrosine kinase inhibitor)
Which adverse events appear more common with people on HAART and sorafenib as treatment for HCC?
DIARRHOEA
HAND-FOOT SYNDROME
How often should a person with HIV and hepatitis B co-infection have HCC surveillance?
6 monthly ultrasound scans
What impact does HIV have on colorectal adenocarcinoma?
YOUNGER age
more ADVANCED disease
increased prevalence of RIGHT side tumours
What is the most common non-AIDS-defining group of malignancies in PLW HIV?
Skin cancers
What is the increased risk of NON-MELANOMA skin cancer in PLW HIV?
2 to 5 fold risk
Which non-melanoma skin cancer is most common in PLW HIV?
BCC (ratio to SCC 7:1)
What is the increased risk of MELANOMA skin cancer in PLW HIV?
3 times more common
What pre-malignant skin lesions are VERY COMMON in PLW HIV?
Actinic keratosis
What different features may occur for SCC in HIV?
no sun exposed sites may affect MOUTH, GENITALS, PERINEUM multifocal aggressive high recurrence rate metastasis
What impact does HIV have on the presentation of melanoma?
ATYPICAL presentation
‘normal’ nave
‘benign macules’
multiple ‘nevoid lesions’
Which skin cancers may remit with HAART?
SCC
&
BCC
What topical treatment is indicated for BCC?
IMIQUIMOD
What conditions is Merkel cell carcinoma associated with?
Chronic lymphocytic leukaemia (CLL)
TRANSPLANTATION
IMMUNOSUPPRESSIVE drugs
HIV
What cutaneous manifestations of lymphoma may occur in PLW HIV?
PRURITIS
Cutaneous T cell lymphoma
Subcutaneous panniculitis-like T cell lymphoma
Castlemann’s disease
What is the increased risk of PENILE CANCER in PLW HIV?
FIVE to SIX times higher
What factors increase the risk of PENILE CANCER in PLW HIV?
LICHEN SCLEROSUS UNCIRCUMCISED SMOKING HPV Poor HYGIENE
Which cancers appear to be decreased in HIV infection?
PROSTATE
BREAST
What histopathological features are present on biopsy of KS lesion?
SPINDLE cells
EXTRAVASATED red cells
HHV8 immunoSTAIN
What are the typical histopathological features of Diffuse large B cell lymphoma?
PROMINENT nucleoli Pleomorphic nuclei (MANY SHAPES)
What are the typical histopathological features of BURKITTS lymphoma?
MONOTONOUS medium sized lymphoid cells
scant cytoplasm
regular nuclei with MULTIPLE nucleoli
What is the CLASSICAL histopathological feature in HODKIN lymphoma?
Binucleate Reed-Sternberg cell
What is the histopathological feature of Multicentric Castlemann’s disease?
‘Crop circle’ or ‘onion skin’ of plasma blasts (circular distribution)
penetrating sclerotic blood vessel from circle - ‘lollypop sign’