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390 Possible Causes for Onset at Age 2-20 Years

  • Essential Hypertension

    Renal vascular hypertension should be suspected in the following circumstances: (1) if the documented onset is before age 20 or after age 50 years, (2) hypertension is resistant[health.am]

  • Hypogonadism

    -75 V (young adult): 12-60 *Puberty onset (transition from Tanner stage I to Tanner stage II) occurs for boys at a median age of 11.5 ( /-2) years and for girls at a median[mayomedicallaboratories.com] Females 0-5 months: 20-80 ng/dL 6 months-9 years: 10-11 years: 12-16 years: 17-18 years: 20-75 ng/dL or 19 years: 8-60 ng/dL Tanner Stages* I (prepubertal): II: III: 17-75 IV: 20[mayomedicallaboratories.com]

  • Atopic Dermatitis

    Less than 2% will have an onset after age 20 years. Most sources agree that persistence after age 20 years is uncommon.[emedicine.medscape.com] […] before age 7 years.[emedicine.medscape.com] Sex Males appear to be affected more frequently by vernal and atopic conjunctivitis than females. [4] Age Children most commonly are affected, with 80% developing the disease[emedicine.medscape.com]

  • Scoliosis

    […] before three years or above 10 years of age.[scoliosisjournal.com] We found 30 patients (Table 1 ), 27 females and 3 males, 10 with a diagnosis of JIS type 1 and 20 with type 2; mean age at first diagnosis was 7.8 1.5 and mean treatment lasted[scoliosisjournal.com] […] causes of scoliosis, neurological deficits, a difference in inferior limb length exceeding 10 mm, previous treatment for scoliosis (brace, exercises or surgery) and scoliosis onset[scoliosisjournal.com]

  • Dysthymic Disorder

    Onset time is below the age of 50. Incidence in females is highest at age 20 to 30, and in males at age 40 or older. 2.[ci.nii.ac.jp] Neurotic personality inclinations after 40 years were introvert and obsession traits which are associated with major depression. 3.[ci.nii.ac.jp]

  • Bunion

    It affects about 23% of adults. [1] Females are affected more often than males. [2] Usual age of onset is between 20 and 50 years old. [1] The condition also becomes more[en.wikipedia.org] […] referred to as a bunionette. [2] Treatment may include proper shoes, orthotics, or NSAIDs. [2] If this is not effective for improving symptoms, surgery may be performed. [2][en.wikipedia.org]

  • Alzheimer Disease

    Among 20 DZ pairs where both had AD, the average SD difference in age at onset was 8.12 7.04 years.[dx.doi.org] Among 25 MZ pairs where both had AD, the average SD difference in age at onset was 3.66 3.63 years.[dx.doi.org] A Wilcoxon 2-sample test normal approximation resulted in a z score of 2.73, which corresponds to a 1-sided probability of .003.[dx.doi.org]

  • Renal Impairment

    Table 2: Nitrofurantoin adverse reaction onset time by age group Age 1 week 1 month Unknown Total 4 1 0 0 5 20-29 years 10 4 1 0 15 30-39 years 14 6 4 0 24 40-49 years 13[medsafe.govt.nz] Both acute and chronic reactions are reported in all age groups, with the exception of those aged under 20 years.[medsafe.govt.nz]

  • Diabetes Mellitus

    […] at age 20 years, normal weight (unlike most NIDDM) Characterized by PPP (polyuria, polydipsia, polyphagia) and ketoacidosis (DKA) Polyphagia combined with weight loss is[pathologyoutlines.com] […] specific for IDDM; type 2 patients rarely have either Severe fasting hypoglycemia is due to cessation of glycogen storage in fat and muscle Glycosemia causes glycosuria with[pathologyoutlines.com] […] antibodies Some NIDDM patients have autoantibodies but no other features of IDDM Usually chronic (years) Clinical disease when 90% of islet cells are destroyed Clinical features Onset[pathologyoutlines.com]

  • Infectious Mononucleosis

    An increased risk of SLE with onset before age of 20 years was observed (SIR 4.9; 95% CI 1.2, 19.8) but this observation was based on only two SLE cases.[dx.doi.org] T able 2 SIRs of SLE among persons with a positive or negative PB test between 1939 and 1989 PB-positive PB-negative SLE cases SLE cases Observed Expected SIR (95% CI) Observed[dx.doi.org]

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