HL Flashcards
Types of classic HL
Nodular sclerosis
Mixed cellularity
Lymphocyte rich
Lymphocyte depleted
non classical HL
nodular lymphocyte predominant
presence of B symp
40%
sites of involvment
Neck 60-80%
Mediastinal 50-60%
Axillary 30%
Inguinal 10%
Infradiaphragmatic lymphadenopathy alone < 10%
Pel-Ebstein fever
Fever that cyclically increases and then decreases over a period of one to two weeks.
(Uncommon)
Pruritus
10-15%
Less common clinical presentations
Alcohol-associated pain
Liver disease
Intra-abdominal disease
Skin lesions-
Bone/bone marrow involvement
Neurologic
MCD
Skin leisons
Ichthyosis (fish scales), Acrokeratosis (Bazex syndrome, papules on dosum of hands/feet), urticaria, erythema multiforme, erythema nodosum, necrotizing lesions, hyperpigmentation, and skin infiltration.
Neurologic manifestations
Cerebellar degeneration
Chorea
Neuromyotonia
Limbic encephalitis
Subacute sensory neuropathy
Subacute lower motor neuropathy
Stiff person syndrome.
Laboratory abnormalities
Anemia
Hypoalbuminemia
Hypercalcemia
Leukocytosis
Thrombocytosis,
Lymphopenia
Eosinophilia
Immunophenotype of HRS
CD30, CD15
PD-L1 and PD-L2 positive
CD45 negative
CD3, CD7 negative
CD20, CD79a, and/or CD19 usually negative
Cytogenetics
non consistant
Molecular features
Ig reaarengments
beta-2 microglobuli`n
JAK1, JAK2, STAT3, STAT5B, PTPN1
gain of PDL1 and PDL2 loci
Pretreatment blood tests
ESR
HBV
HCV
HIV
Pretreatment imaging
PET-CT
Echo
Pulmonary function
Bulky disease definition
> 10 cm
or > 1/3 of the thorax
EORTC (for early stage)
Age >50
Bulky mediastinal adenopathy
ESR > 50
≥4 sites of involvement
GHSG (for early stage)
Extranodal involvement
Bulky mediastinal adenopathy
ESR > 50
≥3 sites of involvement