Cancer De L'enfant Flashcards

0
Q

Sd Li fraumeni

A

Mutation g.TP53 favorisant Cancers tissus mous, seins, colon, os, SNC…
Atcd fam

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1
Q

Épidémiologie cancer enfant

A

50% avant 5 ans
1% des cancers
80% de Guérison

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2
Q

Forme héréditaire retinoblastome

A

Retinoblastome bilatérale ou multifocale
Mutation g.RB1
Risque de 2ème cancer

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3
Q

Sd Beckwitt Wiedemann

A

Croissance excessive + malformations congénitales + prédisposition aux cancer

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4
Q

Neurofibromatose type 1

A

Tâche café au lait / neurofibrome / lentigines axillaires ou inguinales / gliome optique / lésions os / hamarthomes iriens / parent 1er degré atteint

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5
Q

Neurofribromatose type 2

A

+ rare que NF1, schwanomes vestibulaires bilatérales, méningiomes

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6
Q

%LA cancer pedia

A

30%

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7
Q

% tumeurs SNC cancer média

A

20%

Surtout gliome et medulloblastome

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8
Q

%lymphone dans cancers média

A

10%

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9
Q

% neuroblastome cancers pedia

A

9%

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10
Q

% nephroblastome cancers pedia

A

8%

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11
Q

Cancers pedia - fréquent (<10%)

A

Tissus mous, os, germi, retinoblastome, hépatique, autres

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12
Q

Cancer + fréquent <5 ans

A

LA, nephroblastome, rhabdomyosarcome, tumeurs cérébrales

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13
Q

Cancers pedia + fréquents >10 ans

A

Cérébrale, ostéosarcome, sarcome Ewing, tissus mous, LNH, tumeurs gonades

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14
Q

Sd paranéoplasique neuroblastome

A

Diarrhée (hypersécrétion VIP), sd opsomyoclonique (ataxie, mets des yeux saccades)

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15
Q

Sd de Pepper

A

Métastase hépatique avec hmg du neuroblastome chez NR

16
Q

Métastases neuroblastome

A

50% au diag

Os, hématome periorbitaire bilatéral, sd Pepper (hepa, NR), nodules bleutée du derme (NR)

17
Q

Paraclinique neuroblastome

A

Dosage catécholamines urinaires des 24h (↗️)
TDM, Scintigraphie MIBG, BOM
Diagnostic histologique !!

18
Q

Pec neuroblastome localise

A

Chir si possible sinon chimio +/- chirurgie

19
Q

Pec neuroblastome métastatique chez >1 an

A

Chimio induction, chimio intensification et greffe cellules souches, chirurgie, irradiations, traitement entretien (Ac transretinoique et immunothérapie)

20
Q

Épidémiologie nephroblastome

A

100-120/an en France

Svt 6 mois-5ans

21
Q

Clinique nephroblastome

A

Masse abdo +/- douleurs, HTA, hématurie
10% : associé à malformations (sd Beckwitt Wiedemann par exemple)
Métastase

22
Q

Clinique neuroblastome

A

Masse abdo, douleurs, HTA
Compression médullaire, signe neuro
Sd paranéoplasique
Meta

23
Q

Paraclinique nephroblastome

A

Dosage catécholamines 24h normal
Écho et TDM
Pas besoin d’histologie si typique

24
Q

Pec nephroblastome

A

Chimio puis néphrectomie totale +/- chimio intensification, irradiations

25
Q

Alphafoetoproteine et cancers pedia

A

Tumeurs germinales malignes, hepatoblastome

26
Q

BetaHCG et cancers pedia

A

Tumeurs germinales malignes

27
Q

Catécholamines urinaires et cancers pedia

A

Neuroblastome

28
Q

LDH et cancer pedia

A

↗️dans LNH, neuroblastome, sarcome Ewing