Peds Onc Flashcards

1
Q

Acute lymphoblastic leukemia- Eti

A
  • Most common childhood CA
  • 4 = peak age
  • Down syndrome increased risk
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2
Q

Acute lymphoblastic leukemia- Sx

A
  • Anemia
  • Decreased platelets (petechiae, purpura)
  • Bone pain (Limp, decreased walking, irritability)
  • Neutropenia (fever & infection)
  • Lymphadenopathy
  • Hepatosplenomegaly
  • Gingival hypertrophy
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3
Q

Acute lymphoblastic leukemia- Dx

A
  • BMB
  • CBC- Increased WBC, + blasts in smear
  • > 2 cytopenias
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4
Q

Acute lymphoblastic leukemia- Tx

A
  • Chemo- Prednisone/ dexamethasome
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5
Q

Brain tumors- Eti

A
  • 2nd most common type in children
  • Astrocytoma most common
  • Type depends on cell of origin
  • 50% in posterior fossa
  • 50% supratentorial
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6
Q

Brain tumors- Sx

A
  • > 8y/o
  • Developmental delay, loss of milestones
  • Endocrinopathy
  • AM headache, AM vomiting, papilledema
  • 6th nerve palsy
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7
Q

Brain tumors- Eti

A
  • 2nd most common type in children
  • Type depends on cell of origin
  • 50% in posterior fossa
  • 50% supratentorial
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8
Q

Brain tumors- Supratentorial- Sx

A
  • > 8y/o
  • Developmental delay, loss of milestones
  • Endocrineopathy
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9
Q

Hodgkin- Sx

A
  • Painless lymphadenopathy
  • Supraclavicular node
  • Mediastinal mass
  • Fever, night sweats & wt loss
  • Superior mediastinal syndrome- orthopnea, SOB, stridor
  • SVC- facial swelling, cyanosis
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10
Q

Acute lymphoblastic leukemia-Prog

A

70% cured, cure rate increases with age

- Relapse in CNS or testes

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11
Q

Acute myelogenous leukemia- Eti

A

Bone marrow malignancies, more common in adults

- Congenital risk factors

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12
Q

Acute myelogenous leukemia- Sx

A
  • Anemia
  • Thrombocytopenia
  • Hypoxia, hemorrhage, infarction, DIC
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13
Q

Acute myelogenous leukemia- Dx

A
  • BMB- Auer rods
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14
Q

Acute myelogenous leukemia- Tx

A
  • Chemo

- Stem cell transplant

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15
Q

Acute myelogenous leukemia- Prog

A
  • Up to 85% remission with aggressive tx

- 50-70% 5 yr survival

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16
Q

Hodgkin- Eti

A
  • 50% kid lymphomas
  • M>F
  • Adolescents> kids
17
Q

Hodgkin- Dx

A
  • CXR- Widened mediastinum

- - Lymph bx: Reed-sternberg cell

18
Q

Hodgkin- Tx

A

Chemo

19
Q

Hodgkin- Prog

A

75% 20 yr survival rate

20
Q

Non-hodgkin- Eto

A
  • Burkitt, lymphoblastic, anaplastic large cell
  • Increased incidence with age, ID
  • Arise in LN, thymus, liver, spleen
21
Q

Non-hodgkin- Sx

A
  • Lymphoblastic: airway compression, dyspnea, SVC, pericardial effusion
  • Burkitt: Abd pain, distension, RLQ mass, intussuseption
22
Q

Non-hodgkin- Dx

A

BMB & CSF

23
Q

Non-hodgkin- Tx

A

Chemo

24
Q

Non-hodgkin- Prog

A

90% long term survival

25
Q

Brain tumors- Dx

A
  • CSF sample

- MRI

26
Q

Brain tumors- Tx

A

Surgical removal

27
Q

Brain tumors- Prog

A

Poor

28
Q

Bone sarcomas- Eto

A
  • Adolescents> young

- Osteosarcoma and ewing

29
Q

Bone sarcomas- Sx

A
  • Bone pain, palpable mass, decreased motion
  • Osteogenic- distal femur, metaphysics of long bones
  • Ewing: flat bones, pelvis
30
Q

Bone sarcomas- Dx

A

Xray, biopsy

  • Osteogenic- sunburst pattern
  • Ewing- moth eaten lytic lesion
31
Q

Soft tissue sarcoma- Eti

A

Rhabdomyosarcoma

-

32
Q

Soft tissue sarcoma- Sx

A
  • Periorbital swelling, proptosis
  • CN palsies, hearing loss, chronic aural/ sinus drainage
  • Hematuria, obstriction
  • Testicular/ vag mass
33
Q

Wilms tumor- Eti

A
  • 5-6% childcancer

-

34
Q

Wilms tumor- Sx

A
  • Asymptomatic smooth, firm abd mass
  • GU anomalies
  • HTN
35
Q

Wilms tumor- Dx

A

US/ CT

36
Q

Retinoblastoma- Eti

A
  • 5% kid blindness
  • ## Hereditary
37
Q

Retinoblastoma- Sx

A
  • White pupillary reflex (leukocoria)
  • White, creamy pink mass in vitreous matter
  • Asymmetry of eyes
38
Q

Retinoblastoma- Dx

A
  • Tumor in eye under anesthesia
39
Q

Retinoblastoma- Tx

A

External beam irridation