Short stature
Introduce Wash hands General Inspection with adequate exposure • Dysmorphic • Disproportionate stature • Tanner staging • Nutritional status • Skeletal abnormalities • Colour/inc RR/Skin
Measurements and manoeuvres:
A) MEASUREMENTS:
Height
Lower Segment from pubic symphysis
Calculate Upper segment (Ht-LS)
US:LS Birth 1.7, 3yrs 1.3, 8+ yrs 1.0
If high = short lower limbs (skeletal dysplasias, ↓Th)
If low = short trunk (vertebral irradiation, scoliosis) or a short
Neck (Klippel Feil syndrome)
Arm span 0-7 -3cms, 8-12yrs 0, 14yrs +1 in ♀
HC
Weight
Plot on Centile chart
Ask for birth measurements
Ask for parental percentiles and ages at puberty
B) HANDS AND FEET TOGETHER:
Asymmetry (Russell-Silver)
Approximation of shoulders (absent clavicles in cleidocranial dysostosis)
C) ARMS OUT STRAIGHT:
Cubitus valgus in Turner’s and Noonan’s >15˚ in ♀ and >10˚ in ♂
D) THUMBS ON SHOULDERS:
Proximal segment shortening – achondroplasia, hypochondroplasia
Middle segment shortening
Distal segment shortening – acromesomelic dysplasia
E) PALMS UP:
Simian Crease – T21, Seckel’s
Clinodactyly - Russell-Silver, T21, Seckel’s
F) MAKE A FIST:
Short 4th metacarpal – 45XO, FAS, Pseudohypoparathyroidism
G) BACK:
Short neck - Klippel-Feil, Noonan’s
Web neck - 45XO, Noonan’s
Low hairline - 45XO, Noonan’s, Klippel-Feil
H) TOUCH TOES:
Scoliosis - Noonan’s, Klippel-Feil
SYSTEMATIC EXAMINATION:
Investigations:
Blood:
FBC and Film Ch disease, anaemia
ESR IBD
U+E’s, Cr Ch renal disease
Fasting Glc DM
Ca, PO4, Alk Phos Ricketts, hypophosphatasia
LFT’s CLD, nutritional deficiency
TTG Abs Coeliac
Pancreatic isoamylase Shwachman’s
TFTs, TSH Hypothyroidism
Karyotype 45Xo, T21
Somatomedin C Decreased GH def, coeliac, Crohn’s, malnutrition, DM (poorly controlled)
GH stimulation tests GH deficiency
(insulin, GHRH, exercise, Clonidine)
LH, FSH, prolactin, Hypogonadism
oestradiol, testosterone
Dex Suppression Test Cushing’s syndrome
Sweat:
Sweat conductivity CF
Imaging: Bone age Maturational delay, precocious puberty, ↓Th, ↓pit Skeletal survey Skeletal dysplasias Skull X/R Craniopharyngioma CT/MRI Brain Intracranial tumour
Bronchiectasis 7 causes
CF REcurrent infections / aspiration Severe pneumonia / infection (adenovirus) Immune deficiency PCD Foreign body Congenital anomaly
Steroid side effects
MEDICHOG
Myopathy Eyes - cataracts Diabetes Immune suppression Cushingoid Hypertension Obesity / Osteoporosis Growth suppression
Ataxia Ddx
Cerebellar
Vestibular - labyrinthitis
Peripheral neuropathy - HSMN ; B12/folate def Ataxia telangiectasia Friedreichs ataxia Guillan barre Hypothyroid
Examine
Gait, upper and lower limb neuro
Eyes, speech ; ears
Abdo
Cafe au lait Ddx
NF1 Fanconi anaemia Russel silver Noonans / LEOPARD Bloom syndrome
Short stature exam
Inspection - dysmorphic, proportional, nutritional, evidence of chronic disease
Growth parameters
US:LS measurement
Arm span
Manoeuvres Hands together Hand out - carrying angle thumbs to shoulder palms up and palms down make a fist hands out inspect back, touch toes
Mention
Symmetrical / asymmetrical
syndromal or not
pubertal status
Inx Bone age Karyotype / microarray Screen for chronic disease Endocrine screen - IGF1, GH stim ; TFT ; LH/FSH, prolactin, ACTH, Dex supposed ? skeletal survey
short stature clues to diagnosis
IS NICE
Syndromic
Disproportionate short stature
Short but thin - think chronic disease
1. Idiopathic: Constitutional or familial short
2. Intrauterine: TORCH, SGA, FASD
3. Nutritional: Deprivation or malabsoprtion
4, Iatrogenic: Radiation
5, Chronic disease: CKD, CF, IBD, malig
6. Psychological: AN
Short and fat
1. Endocrine: Hypothyroid, Hypopit, Cushing, PseudohypoPTH
2, Steroids
Short stature Ddx
IS NICES
Idiopathic - familial / constutional
Skeletal - dysplasia, scoloisis
Nutrition
Iatrogenic - steroids, radiation
Chronic disease - CF, coeliac, cardiac, renal, IBD
Endocrine - Hypothyroid, hypo pit, GH def, PseudohypoPTH, cushings ; delayed/precoc puberty
Syndromic - turner, Noonan, PWS, T21, FASD, russel silver
Tall stature Ddx
FES
Familial - constitutional or obesity
Endocrine: Hyperthyroid, precocious puberty (central/peripheral), Pituitary gigantism
Syndromic
- Marfans, NF1, Homocytinuria, Sotos, Klinefelters, BWS, Kallmans
Causes of obesity
Complications of obesity
Low mood / bullying HTN/Dyslipidemia/T2DM (metabolic) OSA SUFE Fatty liver Precocious puberty
Causes of a goitre
Most common worldwide is endemic goitre secondary to iodine deficiency
Short stature investigations
Bone age
Screen for chronic disease - FBC, U&E, LFTs, TFTs, HbA1c, coeliac serology ; ESR, CRP IGF-1 and GH stimulation test Endo: LH/FSH/testosterone/oestradiol ? ACTH / dex supp test Urine P:Cr ration Stool: calprotectin, steatocrit Sweat test
Genetics: microarray or karyotype
Skeletal survey if ? skeletal dysplasia
MRI brain
Tall stature investigations
Bone age XR (precocious puberty) Urine methionine (homocystinuria) Karyotype / gene panel ECHO Bloods: TFTs, Renal, LFT, FBC, prolactin/LH/FSH/ACTH MRI brain
Bone XR ? osseous dysplasia (McCune Albright)
ejection systolic murmur LUSE
RVOT - subvalvular/valvular(noonans has dysplastic valve) / supravalvular (Williams ; branch PAS Alagille) - all heard loudest LUSE radiating to back (branch stenosis to axilla)
If to/fro murmur suggestive PR (post TOF repair)
PS - radiates to back ; RVH ECG (RBBB if TOF)
ASD - fixed splitting S2 ; RBBB (RSR) ECG
AVSD - superior axis
ejection systolic murmur RUSE
LVOT - subvalvular(HOCM), valvular, supravalvular(williams) ; distal (aortic arch obstruction, radiation to back (inter scapular). Loudest RUSE radiates to neck
AS - radiates carotids
- supravalvular/valvular/subvalvular
- suprasternal thrill
ECG LVH +/- strain
Holosystolic murmur
Apex
- MR (congenital, acquired - post RHD, DCM/ALCAPA)
ECG bifid p waves, LVH
LLSE
- VSD (biventricular hypertrophy ; canal VSD assoc w/ AR)
- coarctation
RLSE - TR/ebsteins
Continuous
PDA (bounding pulses) - loudest left infraclavicular ; if large can be associated with heart failure.
ECG LVH or wide bifid p waves
BT shunt (look for scar)
Ddx
Diastolic murmurs
LSE -relative TS in ASD(mid diastolic)
Apex - relative MS in VSD (mid diastolic)
LUSE PR post PS/RVOT surgery
- post tet repair
RUSE - AR ( congenital associated with bicuspid AV, turners, conal CCSD ; Acquired - RHD, post op) ; severity associated with collapsing pulses and wide pulse pressure.
rate out of 4
Cardiac scars
Midline sternotomy
Lateral thoracotomy
Dextrocardia ECG
q waves in I and AVL
Large R waves V2,V3
R wave regression
Cause of hepatomegaly
SHIRT x 2
Structural - biliary atresia, choledochal cyst, Alagilles (bile duct paucity)
Storage : metabolic (Gaucher, nieman pick, GSD) Wilsons, A1AT, CF
Haematoligical - thalassemia, SCD, leukaemia ; NHL
Heart - CCF (R sided F)
Infection - Viral: CMV/EBV, hepatitis ;
Inflamm - IBD, hepatitis
Infiltrative - LCH, sarcoidosis
Rheum - sJIA, SLE
Tumours
Hepatoblastoma, HCC
Trauma - haematoma
SPLENOMEGALY
HIP
Haematological - HS(AS); G6PD (XLR)
Infective - SBE, Typhoid
Portal HTN
Heptosplenomegaly Ddx
CHIMPS
Connective tissue - SLE, JIA Haem: Thalassemia, Sickle cell, leukaemia, lymphoma Infection - CMV/EBV/Hepatitis Metabolic - Gaucher, pieman pick Portal HTN