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Chirurgie OMF > Tumori maligne > Flashcards

Tumori maligne Flashcards

1
Q

Rata supravietuire adenopatie meta N1

A

scade cu 50%

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2
Q

Forme de debut al Tumorii de buza

A
  • eroziv-ulcerativa
  • nodulara
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3
Q

Forme de stare a tumorii de buza

A
  • forma ulcero-distructiva
  • forma ulcero-vegetanta (exofitica)
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4
Q

Unde evolueaza prin contiguitate, tumora buzei?

A
  1. parti moi labio-geniene
  2. vestibul bucal
  3. arc osos mentonier
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5
Q

Cum ajunge tumora de buza la mandibula?

A
  • cale directa
  • cale indirecta
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6
Q

Afectarea metast a ggl cum este la tumora de buza?

A

tardiva

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7
Q

La prima sedinta pt tumori buza

procent si ce e interesat

A
  • 10-15%
  • nivelul I cervical
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8
Q

Cum evolueaza in general tumorile de buza?

A

lent (pana depaseste faza locala)

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9
Q

Metastaze primul si al doilea an pt tumora buza

A
  • 25%
  • aproape 100%
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10
Q

CUm sunt tumorile planseu/limba in debut ?

A

evolueaza asimptomatic DAR f. invaziv, cu caracter limfofil marcat

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11
Q

Forme de debut tumori planseu/limba

A
  1. Leziuni ulcerative–fond leucoplazic
  2. Forma vegetanta
  3. Forma nodulara (origine gl accesorii salivare)
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12
Q

Cele mai dese localizari de debut la nivelul limbii

A

mg laterala>fata ventrala>sant pelvilingual

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13
Q

Localizari dese, in debut, la planseu

A
  • paramedian, in zona anterioara
  • ca lez ulcerativa (f rar-proliferativa)
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14
Q

Unde se gaseste tumora de planseu posterior, cel mai des?

A

sant amigdaloglos

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15
Q

Forme de stare tumora planseu/limba

A
  • Ulcero-distructiva
  • ulcero-vegetanta
  • infiltrativ scleroasa(schiroasa)
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16
Q

In ce forma de stare se gaseste forma de carte deschisa?

A

Forma ulcero-distructiva

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17
Q

Reparticare tumor planseu/limba ant-post

A
  • 75% in 2/3 ant–din care 50% sunt pe mg limbii
  • 25% 1/3 post
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18
Q

Care e procentul de adenopatie cervicala la primul consult, la pacientii cu tumora planse/limba?

A

2/3

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19
Q

Semn patognomonic pt Tumora postsulcala

A
  • Ggl retrodigastric (kutner I)
  • ggl supraomohiodian prezent constant insa
20
Q

Caracteristi tumora limba in zona verticala

A
  • evolutie rapida
  • metastazare precoce
  • posib tratament reduse
21
Q

Cum este evolutia tumorilor planseului/limbii?

A

rapida

durere precoce

adenopatie precoce

22
Q

Forme de debut tumora gingivala

A
  • ulcerativa
  • vegetanta (aspect papilomatos)
23
Q

Forme de stare tumori gingivale

A
  • ulcero-distructiva (rapida, in prof si suprafata)
  • ulcero-vegetanta (exofitic, conpidiform cu distructie ososasa subiacenta)
24
Q

Ce se gaseste si in debut si in stare la tumorile gingivale?

A
  • mobilitate dent accentuata
  • instabil/disconf purtare proteze
  • dificultati masticatie/fonatie
25
Q

Ce os maxilar e mai afectat de tumora gingivala?

A

mandibula>maxilar

26
Q

Tipuri de TUmori Maligne ale mandibulei

A
  1. Tumori maligne primare de origine mezenchimala (sarcoame)
  2. Tumori maligne primare odontogene
27
Q

Exemple de Tumori maligne primare mezenchimale

A

Osteosarcom

sarcom Ewing

28
Q

Trasaturi comune tumori mezenchimale

A
  • dureri nevralgiforme
  • mobilitate dentara
  • tulb senzitive-NAI
29
Q

Examen RX-comun tumorilor mezenchimale

A
  • Osteolitic–stergere desen trabecular, radiotransparenta difuza, contur oso deformat, corticala distrusa mult
  • osteogenetic– radioopacitate neomogena, neregulata, ARICI, Perna cu ace, os pieptanat
30
Q

Care e cel mai frecvent sarcom?

A

Osteosarcomul

31
Q

Incidenta osteosarcom

A
  • M/F=1,5/1
  • 25-30 ani
  • des corpul mandibulei
32
Q

Etipatogenie osteosarcom

A
  1. retinoblastom (7%)
  2. iradiere
  3. complicatii boala Paget
33
Q

Unde se afla originea osteosarcomului?

A

in zona medulara centrala

34
Q

Ce prezinta osteosarcomul in tablou clinic?

A
  • desen vascular accentuat
  • mob dentara
  • parestezii/hipoestezii nai
35
Q

Rx osteosarcom

A

Raze de soare

triunghi Codman

36
Q

Histopat Osteosarcomul?

A

plaje celulare sarcomatoase fuziforme+neoformare tesut osos+matrice osteoida

37
Q

Forme histologice ale osteosarcomului

A
  1. Osteoblastic 45%
  2. condroblastic 27%
  3. anaplastic 17%
  4. fibroblastic 9%
  5. teleangiectazic 1%
38
Q

Cum este evolutia osteosarcomului?

A
  • Rapida, incidenta crescuta metastazare ggl/pulmonar
39
Q

Aspect rx al sarcomului ewing?

A
40
Q

Procentaj sarcom ewing

A

10-14%

41
Q

Varsta aparitie sarcom ewing

A

5-30 ani

42
Q

unde da metastaze s. ewing?

A

plamani

vertebre

43
Q

Rata supravietuire pe termen lung a sarcomului ewing

A

/60%

44
Q

Din ce se dezvolta carcinaomele odontogene?

A
  • malignizare ameloblastom
  • direct- rr epit odontogen
  • mb epiteliala chisturi odontogene
45
Q

LA cine apar mai des carcinaomele odontogene?

A

Barbati

50-60 ani

46
Q

TUmori maligne Maxilar?

A
  1. Infrastructura
  2. Mezostructura
  3. Suprastructura
47
Q
A

Chirurgie OMF (16 decks)

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