Peds heme-Onc Flashcards
Aplastic anemia
Eti: failed bone marrow, drug reactions, infections (EBV)
S/sx: Weakness and pallor, petechiae, purpura, and bleeding, frequent/severe infections.
Dx: CBC, bone marrow biopsy
Tx: supportive, abx if indicated, blood transfusion may be necessary
Sickle cell
S/sx: first 3-4 months: asymptomatic, moderately severe hemolytic anemia by 1 yo,
- Dactylitis is most common initial symptom. Recurrent abdominal or MSK pain. Acute chest syndrome.
Dx: neonatal screening, CBC (showing normo or macrocytic anemia), blood smear (showing sickle cells and Howell-Jolly bodies)
Tx: daily prophylactic penicillin (2 mos - 5 years). Pneumococcal vaccine. All illness with fever need treated promptly with parenteral broad-spectrum abx.
- Acute episodes need hydration and transfusions.
Hemophilia A
Factor 8
Von willebrands Disease
Mucosal bleeding…
Tx: DDAVP
Hemophilia B
Factor 9
Protein C deficiency
sx: VTE, purpura fulminans, retinal thrombosis
Tx: lifelong anticoagulation
Idiopathic throbocytopenic purpura
Spleen forms platelet cross-reactive antibodies
Sx: occurs in healthy child usually following infection. Acute onset with appearance of multipe petechiae and ecchmoses, epistaxis
Factor V leiden
Sx: VTE, lots of clots
Chronic myelogenous leukemia
CML
Epi<5% childhood lleukemia
Age onset >3
S/sx: bone pain, fever, night sweats, fatigue
Dx: CBC - marked leukocytoisis
Neuroblastoma
Cancer that develops from immature nerve cells found in sveral areas of the body: adrenal glands and other areas.
s/sx: abd mass, hepatomegaly, fever, bone pain, limp,
Dx: ab ultrasound, CT chest/abd/pelvis
Medulloblastoma
15% of brain tumors
HA, vomiting, papilledema, irritability, failure to thrive,
Dx: measure head circumference
Acute lymphoblastic leukemia (ALL)
Most common malignancy of childhood
S/sx: intermittent fevers, bruising, pallor, bone pain, HSM petechiae
Acute myelogenous leukemia (AML)
S/sx: anemia, pallor, fatigue, bruising, infections
Tx: CBC
Auer Rods
Hodgkin lymphoma
S/sx: painless cervial adenopathy, supraclavicular, unilateral
Dx; lymph node biopsy, CT,
Dx: presence of the Reed-Sternberg cells
Astrocytoma
MC brain tumor in kids
S/sx: HA, vomiting, papilledema, ataxia
Phys: measure head circumference and observe gait