LEUCEMIAS CRONICAS Flashcards

1
Q

Alteracion genetica ASOCIADA a LMC

A

Cromosoma philadelphia - Traslocacion 9;22 , genera Proteina BCR - ABL (genera proteinas con act tirosinquinasa)

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2
Q

SyS LMC

A

Leucocitosis- linea mileoide.
<10 % mieloblastos en MO
Asintomaticos o con sintomas B

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3
Q

TX LMC

A

Inhibidores de tirosin cinasa

IMATINIB , dasatinib (terminan en tinib)

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4
Q

FASES DE LA LMC y tx

A
  • Cronica <10% blastos - itq
  • Acelerada (10-20% blastos) - itq + trasplante de cel madre
  • BLASTICA (>20% blastos) - itq + trasplante + QT
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5
Q

Es la leucemia cronica mas común en MX

A

LMC

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6
Q

EDAD PROMEDIO DE LMC

A

> 50 años (64)

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7
Q

ESTIRPE DE LINFOCITOS CD <10

A

LLA estirpe T

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8
Q

ESTIRPE LINFOCITOS CD> 20

A

LLA ESTIRPE B

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9
Q

TRIADA DE LLC

A
  1. Linfadenopatia
  2. Hepatoesplenomegalia
  3. Linfocitosis (>5,000 por >3 meses)

Otros: perdida de peso, anemia, trombocitopenia

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10
Q

CRITERIOS DIAGNOSTICOS DE LLC

A
  • Linfocitosis
  • AMO: >=30% infiltrado de linfocitos MADUROS.
  • Inmunofenotipo CD5+, CD19, CD20+ , CD21+
  • Cromosomico : 40-50% deleción cromosoma 13q
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11
Q

SE DA TX DE UNA LLC CUANDO

A
  • hay sintomas
  • Anemia
  • trombocitopenia
  • sindrome ritcher
  • RAI IV/ V o BINET C
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12
Q

CLASIFICACIONES USADAS EN LLC

A

RAI y BINET

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13
Q

CLAISIFICACION RAI

A
0 - linfocitosis 
1 - linfadenopatia 
2- Hepatoesplenomegalia 
3- Anemia (dar tx)
4- Trombocitopenia (dar tx)
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14
Q

CLASIFICACION BINET

A

A - <3 areas ganglionares
B - >3 areas ganglionares
C - Anemia / trombocitopenia (dar tx)

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15
Q

GOLD STANDARD EN EL DX DE TODAS LAS LEUCEMIAS

A

ASPIRADO MEDULA OSEA

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16
Q

TRATAMIENTO LLC

A

FCR
Fludarabina, Ciclofosfamida, Rituximab

*Clorambucilo en > 60 años o comorbidod

17
Q

Sindrome de Ritcher

A

LLC que se convierte en LNH (linfoma difuso de cel B grandes)