Sesión Mielodisplásicos Flashcards

1
Q

Como se define sx mielodisplasico

A

Hematopoyesis ineficaz
Medula osea hipercelualr con citipenias en sangre

Tiende a transformarse a LMA

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2
Q

Porcentaje de evolucion a LMA en ancianos

A

40%

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3
Q

Sindromes mielodisplasicos adquiridos

A

Alquilantes
Inhibidores de topoisomerasa II
RT
Toxicos como benzol

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4
Q

Tratamiento de elecciòn de Anemia de Fanconi

A

Transplante alogenico

<20a evoluciona a LLA

> 20a evoluciona a Lma

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5
Q

Mediana de edad de Sindrome mielodisplasico

A

70a

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6
Q

Clinica de Sx mielodisplasico

A

Indolente, progresivo

Anemia progresiva refractara a tx convencional
VCM aumentado

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7
Q

En que pacientes sospechar SMD

A

Todo anciano con anemia macrocitica SMD

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8
Q

SMD clinica

A

Citopenias
Hemosiderosis
No visceromegalias

Transforma a LMA

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9
Q

Unico sindrome mielodisplasico con trombocitosis

A

Delecion de 5q (mas en mujeres)

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10
Q

Cel patognomonica

A

Pseudopelger

Neutrofilo hiposegmentado

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11
Q

Dx con biopsia de MO

A

Tincion de PERLS

Sideroblastos en anillo (buen pronostico)

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12
Q

Tx elección

A

<65a
-transplante alogenico

> 65a

  • apoyo con trasfuciones
  • Danazol (evita tanta trasfusion)
  • EPO
  • VIt B6
  • QT vincristina
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13
Q

Anemia refractaria con exceso de blastos

A

El más frecuente de los SMD

30% progresion a LAM

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14
Q

Como se realiza DX

A

Aspirado, biopsia

  • Hipercelularidad
  • > 10% de displasia de uno o más linajes
  • Citogenetica - anormalidades cromosómicas en 50% px
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15
Q

Sindrome mielodisplasico mas comun

A

Anemia refractaria con exceso de blastos

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16
Q

Tratamiento de elección en Sx mielodisplasico por delecion de 5q

A

Lenalinomida