Pedeiatrics III Flashcards
MC presenting symptom in cancer and transplant patients.
Fever (Due to Inc. infx w Cancer and Cancer Tx)
Malignant proliferation of leukocytes. MC Childhood cancer.
Fever, pallor, petechiae, lethargy, malaise, anorexia, bone or joint pain, LAD, Hepatosplenomegaly
Leukemia
Acute Lymphocytic Leukemia (ALL)
Acute Myelogenous Leukemia (AML)
Leukemia lab findings
WBC > 50,000 Anemia Thrombocytopenia
Peripheral smear= immature blast cells
Lumbar puncture for CNS involvement.
Leukemia Dx
Cell surface markers
t(12;21)- Translocation = MC favorable prognosis
t (9;22)- Translocation= Less common poor prognosis
4;11
Tx-
Chemotherapy for ALL- 80% cure rate
(Not effective for AML- 50% cure rate)
Bone Marrow Transplant
Leukemia Poor prognosis indicators
- < 1 YOA or > 10 YOA
- > 50,000 WBC
- CNS or testicular Dz Relapse AML= Very Poor
3rd MC childhood malignancy (2nd CNS Tumors)
Epstein Barr Virus may play a role.
Fatigue, anorexia, pruritus, painless LAD (cervical Supra clavicular) pleural effusion
Lymphoma (Hodgkin’s or Non-Hodgkin’s)
incidence Inc. w age. white>Black (M>F), almost always diffuse always malignant,
two forms and subtypes.
Non-Hodgkin’s Lymphoma
Non-Hodgkin’s Lymphoma subtypes
B Cell (Burkitt non small non-cleaved cell) Sporadic= North America Endemic= Africa (EBV*)
T Cell (Lymphoblastic)
Large Cell (B or T Cell origin)
MC Lymphoma affecting adolescents/ young adults
and age >50 YOA
Hodgkin’s Lymphoma
Specific symptoms of drenching night-sweats, weight-loss, >10% w/I 6 mos SOB mediastinal LAD
Poor prognosis
B Cell (Burkitt) NHL
Lymphoma Dx
- CBC (Usually normal)
- Tissue Bx (Pleural/peritoneal) Reed Steinberg cells
Hodgkin’s Lymphoma - Bone Marrow (>25% blasts = Acute Leukemia)
Lymphoma Tx
Hodgkin’s = Chemo (LD) and Radio Therapy
90% 5 year survival (Stage I and II)
NHL = Aggressive/Persistent Chemo
(Rare Sx and Radiation) 70-90% 3 yr survival
MC solid tumor in children 2nd MC childhood malignancy. Loss of of dev. milestones. irritability, anorexia, poor school performance. ICP,
CN deficits except 6th CN = brainstem involvement
Pituitary-Prolactinoma= Galactorrhea
GH secreting= Precocious Puberty
CNS Tumors
<2 YOA rapidly growing tumor, bad locale. vomiting, lethargy, irritability and ataxia.
Can also be slow growing w/ Macrocephaly, hyper reflexia, cranial nerve palsies, weight loss.
Acute or Chronic Infratentorial (65%)- Cerebellum and brainstem (35% cerebrum)
Chronic= slow growing etc.
> 2 YOA Visual S/S, seizures (General or partial) focal neural deficits, personality changes.
May also be hydrocephalus and increased ICP (Papilledema) cranial nerve palsies and ataxia
Supratentorial (visual S/S and focal Deficits)
Infratentorial (ICP Papilledema)
MC type of brain tumor: usually found in posterior fossa. Low Grade = good prognosis
Astrocytoma
2nd MC Brain Tumor most often found in cerebellar vermis. High grade= variable prognosis
Medulloblastomas
Dx of brain tumor work up
Neuro PE
CT and MRI
LP, X-ray and EEG (Never LP w/o imaging)
MC childhood solid neoplasm outside CNS and MC infant malignancy @ 20 mos. From neuro crest cells
in adrenal medulla/symp. system (anywhere)
MC abd. mass (flank, hard, smooth, nontender) Abd. pain* w Horner’s syndrome neck apical masses. profuse sweating, secretory diarrhea, Opsomyoclonus (dancing eye/feet)
Neuroblastoma
Neuroblastoma Dx
Tissue Bx and Bone marrow aspiration
90% catecholamines (Urine) (Vanillymandelic/homovanillic acid)
CT (chest, abd, Pelvis) Bone scan and X-ray (Calcifi)
Neuroblastoma Tx:
Sx, Chemo, Radiation
5 year survival depends on stage. Favorable =<1 YOA
MC Malignant renal tumor of childhood. assoc w/ Wilm’s tumor, Aniridia (Absent Iris), GU malformation, MR, Beckwith-Weidman Syndrome–> Increased risk.
Abdominal Mass, fever, HTN, Hematuria. Mean age 3-3.5 YOA: prognosis = Good Tx = Sx mainstay, chemo/rad
Nephroblastoma
Beckwith-Wiedmann Syndrome clinical Present.
Macroglossia, Umbilical Hernia, Omphalocele.
–> Inc. risk of Nephroblastoma.
Pediatric types of Sarcomas
Rhabdomyosarcoma (Soft Tissue)
Osteosarcoma (Bone MC) Ewing Sarcoma (Bone 2nd MC)
Syndromes Assoc. w Increased risk of Sarcomas?
Li-Fraumeni (Incr. Risk of Soft tissue)
Neurofibromatosis (Incr. soft tissue)
Hereditary retinoblastoma (Osteosarcoma)
Radiation therapy and Chemo alkylating agents
Presence of osteoid substance on w pain and mass at site (Epiphysis or metaphysis).
Distal Femur, proximal, tibia, proximal humerus) S/ initially associated to trauma, Starburst pattern
Tx: Neoadjuvant then Sx and adjuvant therapy
Osteosarcoma
MC soft tissue malignancy in children. Microscope- small, round, blue cell, tumors (Like Ewing)
S/S depend on GU, head and neck, Extremities.
Tx: Sx resection, postop chemo/radiation
Rhabdomyosarcoma (Skeletal muscle)
Under microscopy: small round cell tumors. Multi centric tumor causing pain and fever. In any bon
Femur and pelvis MC. Starburst Pattern, onion skin or moth eaten*
Tx: Sx resection, postop chemo/radiation (sensitive to)
Ewing Sarcoma
Immunohistochemical/cytogenic that differentiates Rhabdo from Ewing sarcoma
Ewing= t (11,22) (95% of tumors)
Rhabdomyosarcoma histological variants
Embryonal: young children Head/neck/GU
Alveolar: older pts, trunk, extremity tumors t (2;13)
Normal crying is defined as
1st 2 weeks = Little 10 episodes in 24 hrs
6 Weeks = 3 hrs/day
12 weeks = 1 hr /day
Defined as difficult or fussy child. Facia grimacing, leg flexion, flatus.
Wessel’s rule of 3’s ?
Colic
Crying: 3 hrs/day, at least 3/wk, > 3 wks
Colic Tx:
Increased carrying and swaddling
MC reported Behavioral problem. Screaming, stomping, hitting, head banging , falling down, breath holding, vomiting, biting. 1-3 yoa
short duration 2-5 min. non-manipulative
Tx; Parent reassurance, eliminate triggers, pos. reinforc
Temper tantrums
Special Needs goal of therapy?
Maximize child’s potential for adult functioning
Cognitive performance (Intel testing) 2 standard deviations below the meand (<3rd %tile) IQ< 70
TORCH infx, ETOH/Rec. Rxs, hypoxia, bleeding.
DX: UA-aminoacids, Hyptothyroid, EEG, CHromosome
Mental Retardation D/O
Persistent deficit in social comms/Interaction. Restricted repetitive pattern of behavior, interest or activities. (Lining toys, flipping objects, echolali, idiosynchratic phases.
Inflexible to routines/ritual patterns (Likes sameness). Inc. risk w advanced parental age, LBW, Valproate fetal exposure. Hyper/hyporeactivity to sensory input
Autism Spectrum Disorder
Autism Spectrum Disorder Dx and Tx
Dx: Modified Checklist for Autism (MCHAT) 18-24 mos
Tx; Antipsychotics (aggression or agitation, self injury)
SSRIs Depression or anxiety
Special Ed and and Ped psych, Occupational Ther
A group of non progressive motor impairment synd. D2 Prema/Twins, LBW, asphyxia, Kernicterus
6 Types- Spastic=80% MC: Dev. delay w brisk DTRs
persistent infant reflexes Moro> 6 mos, Assymetric motor Activity dominant hand prior to 1 yoa, MR assoc.
ADHD assoc., seizures, Hearing/speech, GERD
Cerebral Palsy
Tx: Neurodevelopment and Multidisciplinary PE, Sx, Ed.
Botox and Muscle relax for spasticity
Sx varus osteotomy (Femur)
< 16 yoa w at least 6 S/S of inattention or hyperactivity/ impulsivity for at least 6 mos in 2 or more environments
60-80% S/S impulsivity inattention persist into adolescence and adulthood. Fails attention to detail, not listening, fail to follow through, loses things, easily distracted, forgetful
Attention Deficit Hyperactivity D/O
Fidgety or restless, leaving seat when expected to be seated, talks excessively, acts as if on the go, running
Climbing
Hyperactivity Predominant
Blurting out answers before question is complete. Difficulty waiting his/her turn.
Frequent interruptions or intrusion
Predominant Impulsivity.
Tx for ADHD
Methylphenidate or Amphetamine (1st Line)
(Sleep disturbance or Appetite Suppression
Atomoxetine (Strattera)- GI S/S
Guanfacine or Clonidine (sedation)
frequent/persistent pattern of anger and irritable mood, argumentative, vindictive
Oppositional Defiant d/o
Repetitive/persistent pattern of behavior in which basic rights of others or major rules violated.
Aggression to people or animals, property destruction, deceitfulness, serious violations of rules
Conduct Disorder
Sleep stages 1-3
Rapid Eye Movement Non-REM sleep
MC in preschool children: sleep walking, sleep terror, abrupt wakening w loud scream, agitation and unresponsiveness
resolves w time and developmental maturation
Parasomnias
Exaggerated delayed sleep phase–> inability to arouse in a.m. Does not meet sleep requirements.
problems w cognition and emotional regulations.
MC in adolescence: Tx- Hygiene and Melatonin/Clonidine
Circadian Rhythm D/O
MC in teenage girls. Weight loss, Lanugo, Bradycardia, Osteopenia, Amenorrhea, alopecia. Purging, dieting
Restricts caloric intake –> sig. weight loss. Refusal to maintain body weight or be at normal weight
Anorexia Nervosa
Tx: Restore weight, Bradycardia, hypothermia, hypokalemia, dysrrythmia. Risk of SA
Binge eating episodes large qty w rapid consumption. Normal to overweight. Inc. vomiting or laxatives.
Concerned w body image, enamel erosion at lingual aspect of teeth, incisors, scrapes on dorsum of hand
Bulimia Nervosa
Tx: Antidepressants, nutritional ed.
Female athlete triad consists of
Low Body fat–> hypothalamic-pituitary-Gonad system
Eating D/O- Anorexia or Bulimia
Osteoporosis- Low Bone Density
Menstrual Dysfunction- Delayed or absent
Female athlete triad treatment
Restore caloric intake Ca+,K, Vit. D supplement
OCP- restores menstruation
Decrease exercise
Minimum 2 weeks of depressed mood or loss of interest/ pleasure in nearly all activities.
5 or more s/s during the same 2 week period. Auicide surpasses MVAs cause of death in adolescents
Major Depressive D/O
Fluoxetine- Only drug approved for children
Recurrent episodes of persistent concern about having additional episodes >= 1 month.
Agoraphobia present. worry about the implications of the attack. Sweating, trembling, choking, palpitations, chest pain, nausea, dizzy,
Panic D/O
Excessive worry occurring more days than not for at least 6 months. X1 S/S required for children
Easily fatigued, blank mind, muscle tension, sleep disturbance. cause social or occupational dysfunx
Generalized Anxiety
1st degrees relatives 10X higher risk. Hallucinations or delusions (Pos. S/S) lack motivation or social interaction
> 2 S/S > 6mosw 1 moth of acute S/S must include at least 1 of the following; hallucination, delusion or disorganized speech
Schizophrenia
Brief psychotic = remission < 1 month
5 Types of Schizophrenia
Paranoid- Persecutory delusion or hallucination
Disorganized- in speech, behavior, flat or inappropriate
Catatonic- Extreme inactivity or excessive motor activity
undifferentiated- does not fit other
Residual- fits dx criteria but no current positive s/s
Substance abuse screening
Car- Driving under the indluence
Relax-substance use to relax, fit in, feel better
Alone-substance abuse while alone
Forgetting-as result of substance
Family/Friends- tell teen to cutdown
Trouble- getting in trouble due to substances
hematopoiesis
Liver @ 2 mos
Bone Marrow @ 5-6 mos
Lab Test Confirms and indicates severity of anemia
CBC: HgB HcT
Lab test for average RBC size microcytic, Normocytic, or Macrocytic.
Mean Corpuscular Volume
Measures variation in RBC size–> indication of RBC destruction or heterogenous population
Red Cell Distribution Width
Microcytic Anemias
Low Mean corpuscular Volume <79fL
Thalassemia Anemia of Chronic Dz Iron Deficiency Lead Poisoning Sideroblastic
MC cause of anemia WW. RF Cow’s milk< 1 yoa. Menstruating teenagers. Lead poisoning, poor diet.
> 1 yoa, increased amounts of cow’s milk.
Iron deficiency anemia
Iron deficiency anemia Tx:
otherwise healthy = Oral Iron (>6 mos Iron Supp.)
4-6 mg/day (HcT Inc. 1%/day: HgB Inc. 0.25-0.40 g/dL/day) Reticulocytosis improves 48-72 hrs
Re-eval if no response in 2 weeks
Hypochromic microcytic anemia and Basophilic stippling. concomitant Iron deficiency.
Child w pica home older than 1980. 20 Micrograms/dL on single visit or persistent 15 Micrograms/dL 3 mo period. (5-10 Micrograms may cause learning problems)
Lead poisoning
Lead Poisoning Tx:
Immediate removal from exposure
Chelation therapy
All children screening at 12 and 24 mos
Decreased RBC production the RDW test will be?
Red Cell Distribution Width
Normal
Transient erythroblastopenia, Anemia of chronic dz, bone marrow failure.
An increased rate of RBC destruction will show a ____ RDW
High
G6PD Def., Sickle Cell anemia, Spherocytosis.
Reticulocyte-
serves as index for RBC production by the bone marrow:
Retic = Incr.--> Incr. Destruction Retic = Decr.--> Hypoproliferation