Short Stature Flashcards
Def of Short Stature
Z-Score
Def of Short Stature
- Proportionate
Def of Short Stature
- Disproportionate
Tools used to define growth in children
Factors affecting height & growth
Mid parental height
Causes of abnormal growth in children
Causes of abnormal growth in children
- Normal Variants
Causes of abnormal growth in children
- Syndromes
Causes of abnormal growth in children
- Chronic Diseases
Causes of abnormal growth in children
- Endocrine
CA, BA, HA in Familial (Genetic) Short Stature
(CA = ВА) > НА
Growth Velocity in Familial (Genetic) Short Stature
Normal
Prognosis of Familial (Genetic) Short Stature
- The child grows within the expected target height centile (MPH +- 5).
CA, BA, HA in Constitutional Short Stature
СА > (BA = НА)
Constitutional Short Stature is associated with …..
associated with delayed puberty
Hx in Constitutional Short Stature
positive family history
TTT of Constitutional Short Stature
Testesterone for 6 months at bone age 12.5 years for growth & 2ry sex characters
Compare between Familial Short Stature in terms of
Compare between Familial Short Stature in terms of
- Sex
- Family Hx
- Height Velocity
- Puberty
- Bone Age
- Final Height
Def of
- CA
- BA
- HA
Classification of Short Stature
Classification of Short Stature
- Normal Variants
Classification of Short Stature
- Pathological Variants
Classification of Short Stature
- Proportionate
Classification of Short Stature
- Disproportionate
Assessment of Short Stature
- Hx
- Ex
- INVx
Assessment of Short Stature
- Hx
Clues to Etiology of Short Stature From History
- History of Delayed of Puberty in Parents
Constitutional delay of growth
Clues to Etiology of Short Stature From History
- LBW
SGA
Clues to Etiology of Short Stature From History
- Neonatal Hypoglycemia, Jaundice, Micropenis
GH deficiency
Clues to Etiology of Short Stature From History
- Dietary Intake
Under nutrition
Clues to Etiology of Short Stature From History
- Headache, Vomiting, Visual Problems
Pituitary/ hypothalamic SOL
Clues to Etiology of Short Stature From History
- Lethargy, Constipation, Weight Gain
Hypothyroidism
Clues to Etiology of Short Stature From History
- Polyuria
CRF, RTA
Clues to Etiology of Short Stature From History
- Social History
Psychosocial dwarfism
Clues to Etiology of Short Stature From History
- Diarrhea, Greasy Stools
Malabsorption
Assessment of Short Stature
- Complete Physical Exam
Pointers to Etiology of Short Stature
- Midline defects, micropenis, Frontal bossing, depressed nasal bridge, crowded teeth
GH deficiency
Pointers to Etiology of Short Stature
- Rickets
Renal failure, RTA, malabsorption
Pointers to Etiology of Short Stature
- Pallor
Renal failure, malabsorption, nutritional anemia
Pointers to Etiology of Short Stature
- Malnutrition
PEM, malabsorption, celiac disease, cystic fibrosis
Pointers to Etiology of Short Stature
- Obesity
Hypothyroidism, Cushing syndrome,
Prader Willi syndrome
Pointers to Etiology of Short Stature
- Metacarpal Shortening
Turner syn., pseudohypoparathyroidism
Pointers to Etiology of Short Stature
- Cardiac Murmur
- Mental Retardation
- Congenital heart disease, Turner syndrome
- Hypothyroidism, Down/ Turner syndrome, pseudohypoparathyroidism
Pointers to Etiology of Short Stature from Ex
- Disproportion
Skeletal dysplasia, rickets, hypothyroidism
Pointers to Etiology of Short Stature from Ex
- Dysmorphism
Congenital syndromes
Pointers to Etiology of Short Stature from Ex
- HTN
CRF
Pointers to Etiology of Short Stature from Ex
- Goiter, Coarse Skin
Hypothyroidism
Pointers to Etiology of Short Stature from Ex
- Central Obesity, Striae
Cushing syndrome
Investigations for Short Stature
Investigations for Short Stature
- Bone Age
- Patients diagnosed with growth hormone deficiency should undergo an MRI of the head to exclude a brain tumor (e.g., craniopharyngioma)
…
- 15% of patients with growth hormone deficiency have an abnormality of the pituitary gland (e.g., ectopic bright spot, empty or small Sella).
…
TTT of Short Stature
TTT of Short Stature
- From Notes
…
TTT of Short Stature
- Small for Gestational Age
growth hormone therapy
TTT of Short Stature
- Psychosocial Dwarfism
psychological support
When to Refer Cases of Short Stature?
When to Refer Cases of Short Stature?
- Anthropometry
When to Refer Cases of Short Stature?
- Female Puberty
- If no breast disk /pubic hair /axillary hair at age of 13ys for females.
- If no menarche at age of 16 years.
When to Refer Cases of Short Stature?
- Male Puberty
- If size of testes is less than 3ml at age of 14 years.
When to Refer Cases of Short Stature?
- General Examination
Algorithm for Short Stature
Etiology of GH Deficiency (Pituitary Dwarfism)
Etiology of GH Deficiency (Pituitary Dwarfism)
- Most Common Cause
Idiopathic
CP of GH Deficiency (Pituitary Dwarfism)
CP of GH Deficiency (Pituitary Dwarfism)
- At Birth
GH Deficiency (Pituitary Dwarfism)
- During Childhood
CP of GH Deficiency (Pituitary Dwarfism)
- Cases with Destructive pituitary lesion
INVx for GH Deficiency (Pituitary Dwarfism)
INVx for GH Deficiency (Pituitary Dwarfism)
- GH Provocation Test
TTT of GH Deficiency (Pituitary Dwarfism)
TTT of GH Deficiency (Pituitary Dwarfism)
- GH Replacement
TTT of GH Deficiency (Pituitary Dwarfism)
- Dose of GH
- Total dose: 0.3 mg/kg/week or 15 IU/m2/week.
- 6-7 shots/week
TTT of GH Deficiency (Pituitary Dwarfism)
- Effects of GH Therapy
- It gives drama catch up growth (10-12 cm/y) in the 1st year, then 1.5 times of normal in subsequent years.
TTT of GH Deficiency (Pituitary Dwarfism)
- When to Stop GH?
Growth hormone therapy is discontinued at bone age:
- 16 years in males
- 14 years in females
TTT of GH Deficiency (Pituitary Dwarfism)
- Replacement therapy for other hormones
…