MIELOM MULTIPLU Flashcards

1
Q

MM: elemente de diagnostic:

A
  • cantitate mare de Ig monoclonale in ser/ urina (proteinuria Bence Jones);
  • infiltrat plasmocitar MOH;
  • leziuni osteolitice;
  • anemie secundara;
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2
Q

MM: Generalitati:

A
  • proliferare plasmocitara maligna la niv. MOH, cu secretie de Ig monoclonala completa si LU k/miu;
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3
Q

MM: etiologie:

A
  • radiatii;
  • expuneri profesionale (beznen);
  • factori genetici;
  • stim. Ag cronica (boli alergice);
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4
Q

MM: Patogenie etape:

A
  1. Proliferarea plasmocitara;
  2. Sinteza Ig;
  3. Infiltrarea MOH;
  4. Oncogeneza;
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5
Q

MM: Patogenie:
1. Proliferarea plasmocitara:

A
  • plasmocit matur (ultimul stadiu LyB);
  • evolutie in trepte, de la un proces relativ benign spre inalta malignitate;
  • IL-6 - stim. cresterea cel. mielomatoase si generarea lez. osoase;
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6
Q

MM: Patogenie:
2. Sinteza Ig - consecinte:

A
  • creste vascozitatea plasmei;
  • depozite tisulare de LU - amiloidoza AL (renala, cardiaca);
  • precip. LU renal - IR;
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7
Q

MM: Patogenie:
3. Infiltrarea MOH:

A
  • afectarea hematopoiezei (inhiba limfopoieza B + citopenii);
  • cresterea resorbtiei osoase (stim. osteoclastele => hipercalcemie si manifestari osoase);
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8
Q

MM: Patogenie:
4. Oncogeneza:

A
  • gammapatie monoclonala beninga;
  • anomalii cromosomiale (monosomia 13, t (11,14) si t (4,14) );
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9
Q

MM: Tablou clinic:

A
  1. Manifestari proliferative tumorale;
  2. Sindrom de hipervascozitate;
  3. Infectii;
  4. Afectare renala;
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10
Q

MM: Tablou clinic:
1. Manifestari proliferative tumorale:

A
  • durere osoasa;
  • deform. osoase;
  • hipercalcemie;
  • citopenii;
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11
Q

MM: Tablou clinic:
2. Sdr. de hipervascozitate:

A
  • tulb. vizuale;
  • manif. neurologice (AVC);
  • decompensare cardiaca;
  • hemoragii;
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12
Q
A
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