MM Flashcards

1
Q

MM

A

proliferación clonal de cel plasmaticas en MO = aumentan paraproteínas (cadenas ligeras de Igs)

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2
Q

MM

epidemio MM

A
  • > F hombres
  • > F africanos, < F asiaticos, hispanos
  • 50-70 â, media 65-70 â
  • 1% de neoplasoas en adultos, 10% de neoplasias hemato
  • 1 >F linfomas, 2do >F MM
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3
Q

MM

lugares a donde puede afectar MM

A

huesos, riñones, sangre, inmunidad

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4
Q

MM

origen de MM

A

cel plasmáticas

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5
Q

MM

patognomonico de MM

A

cuerpos de Russell

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6
Q

MM

gammapatias monoclonales

A
  • amiloidosis primaria (cadenas ligeras)
  • macroglobulinemia de Waldenström/linfoma linfoplasmocitico (IgM)
  • MGUS
  • MM (IgG)
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7
Q

MM

evolucion de la enfermedad MM

A
  1. alt postgerminal
  2. MGUS
  3. MM latente
  4. MM sintomatico
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8
Q

MM

fisiopatologia MM

A

1. infiltracion MO = desplazamiento de hematopoyesis (anemia, problemas coag, sist inmune def)
2. desequilibrio entre osteoclastos y osteoblastos (lesiones osteoliticas, hipercalcemia, litios renales, fracturas patologicas)
3. componente monoclonal: proteina M, bence jones + tom horsfall, aumento IgG (lesion renal, anemia, infecciones frec)

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9
Q

MM

proteinas Tom Horsfall

A

secretadas en Asa de Henle ascendente gruesa

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10
Q

MM

cxclx MM

A

dolor oseo, anemia, infecciones frecuentes, lesiones osteoliticas, insuficiencia renal

CRAB

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11
Q

MM

sx hiperviscosidad

A

URGENCIA MEDICA
Sangrado oronasal, vision borrosa, IC, sintomas neurologicos, confusión

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12
Q

MM

delecion MM

A

17p13

disminuye tp53

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13
Q

traslocacion MM de buen pronostico

A

t(11;14)

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14
Q

dx MM

A
  • BH: anemia normocitica, normocromica
  • QS
  • FSP: “pila de monedas”
  • cuantif Ig en sangre
  • FCL
  • SPEP e inmunofijacion con suero para clonacion
  • UPEP
  • Rx serie osea, TAC, PET-CT, RM (lesiones en sacabocado)
  • electroforesis acumulacion de prot, inmunofijacion que prot esta acumulada
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15
Q

MM

tx MM

A

1ra linea es el transplante de MO
esquema de 4 farmacos (3+ un anti CD38)

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