LLC Flashcards

0
Q

circonstances de découverte LLC

A

asymptomatique+++
complications: infectieuse
sd tumoral: ADP fermes, indolore, bilatérale et symétrique, non compressives

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1
Q

définition LLC

A

sd lympho-prolifératif de LB matures et incompétents responsables d’EM et d’ID, localisation myélo-sanguine et gg

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2
Q

Diag positif LLC

A

IMMUNOPHENOTYPAGE
LB (CD19 et CD20+) et LT (CD5+), FMC7-, chaine légère unique (lambda ou mu)
NFS: hyperlymphocytose>5.10^9 dp plus de 3 mois
frottis: lymmphocytes petits, monomorphes et ombres de grumprecht

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3
Q

bilan d’extension LLC

A

TDM TAP

beta2 et LDH (vol tumoral)

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4
Q

bilan des complications de LLC

A
  • hémolyse: coombs direct, LDH, hapto, rétic, schizo et bili L
  • EM (clinique)
  • EPS (hypogammaglobulinémie)
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5
Q

bilan pré-thép LLC

A
indiqués si décision thép
NFS, rétic
hémolyse
11q17p
VIH, VHB, VHC
créat
iono
BHC
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6
Q

5 grandes complications LLC

A
  • EM
  • infectieuses 1ere cause de mortalité
  • seconds cancers
  • Richter
  • AI
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7
Q

Sd Richter: définition, clinique et PEC

A

transformation LLC en LNH haut grade
signes B+ AEG rapide+ sd tumoral (rapide et asymétrique)
BIOPSIE GG
LDH augmentées

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8
Q

Complications AI de LLC

A

TAI: rapide, mégacaryocytes ay myélogramme
EVANS
AHAI: coombs direct +; ldh augmentés, hapto effondrée, hyperplasie lignée érythocytaire, apparition rapide
EAI: PB19, moelle richesse normale, pas d’érythroblastes, anémie très arégénérative

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9
Q

diag diff LLC

A
  • hyperlymphocytose polyclonale:
    infectieux
    lymphocytose B polyclonale
    sd mono
  • sd lymphocytique: meme prono, meme ttt, meme immunophénotypage
  • sd lympho-pro avec cellules malignes circulantes
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10
Q

classification LLC

A

matutes
typique>4
atypique<3

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11
Q

pronostic LLC

A

classification BINET

  • volume tumoral (5 aires gg)
  • Hb 10
  • pla 100
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12
Q

causes anémie dans LLC

A
iatrogénie
EM
AI: EAI, AHAI
autres causes concommitantes
hypersplénisme
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