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34 Possible Causes for Autoantibody-Positive Hypothyroidism

  • Polycystic Ovary Syndrome

    She was diagnosed with: (1) type 1 diabetes, with hyperglycemia, impaired insulin secretion, and positive autoantibodies for GAD-65 and IA-2; (2) autoimmune thyroiditis, with[ncbi.nlm.nih.gov] hypothyroidism, positive anti-microsomal and antithyroglobulin antibodies; and (3) PCOS, with hyperandrogenic signs that had developed 5 years earlier, amenorrhea for the[ncbi.nlm.nih.gov]

  • Hypothyroidism

    Serum thyroglobulin autoantibody determinations may be a useful adjunctive diagnostic aid for hypothyroidism.[web.archive.org] However, the test can never be used alone to confirm a diagnosis of hypothyroidism, because a positive antithyroglobulin antibody titer may occur in euthyroid dogs with early[merckmanuals.com] Thyroid autoantibodies (antithyroid peroxidase and antithyroglobulin antibodies) are positive in 95% of patients with autoimmune thyroiditis.[web.archive.org]

  • Hashimoto's Thyroiditis

    These blood tests confirm hypothyroidism, but the addition of positive autoantibody tests further points to Hashimoto's thyroiditis as the underlying cause.[emedicinehealth.com] Diagnosis also includes positivity for anti-TPO autoantibodies and/or anti- Tg autoantibodies, accompanied by alteration of thyroid gland and clinical data of thyroid gland[touchendocrinology.com] If the TSH is high, the assessment of the serum free thyroxine (fT4) concentration will tell if the child has subclinical hypothyroidism (normal fT4) or hypothyroidism (low[touchendocrinology.com]

  • Polyarthritis

    , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis Synovial fluid analysis[aafp.org] ; healthy persons HLA-B27 Healthy persons; spondyloarthropathies, reactive arthritis Elevated uric acid Gout, psoriatic arthritis, Paget's disease; healthy persons False-positive[aafp.org] , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis TABLE 5 Findings of Laboratory[aafp.org]

  • Graves Disease

    A high prevalence of positivity for thyroid autoantibodies (TPOAb and/or TgAb) and hypothyroidism have also been described in the adult T-cell leukaemia patients and the HTLV-I[doi.org]

  • Urticaria

    A study on hypothyroidism and CIU was conducted in 2011 and revealed that 25 percent of CIU patients had positive antibodies for Hashimoto’s disease.[healthcentral.com] However, it was shown that thyroid autoantibodies do not induce urticaria and are only a byproduct of the condition.[healthcentral.com]

  • Growth Hormone Deficiency

    A positive thyroid autoantibody titer confirmed the diagnosis of chronic lymphocytic thyroiditis with hypothyroidism.[ncbi.nlm.nih.gov]

  • Celiac Disease

    In a series of 104 Dutch patients with Hashimoto’s thyroiditis, 8 (7.6%) were positive for TG autoantibodies and 5 (4.8%) had biopsies consistent with celiac disease.[ncbi.nlm.nih.gov] In this same report, researchers screened 184 patients with celiac disease and diagnosed hypothyroidism in 22 (12%) with 21% positive for antibodies associated with thyroid[ncbi.nlm.nih.gov]

  • Crystal Arthropathy

    , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis Synovial fluid analysis[aafp.org] ; healthy persons HLA-B27 Healthy persons; spondyloarthropathies, reactive arthritis Elevated uric acid Gout, psoriatic arthritis, Paget's disease; healthy persons False-positive[aafp.org] , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis TABLE 5 Findings of Laboratory[aafp.org]

  • Acute Polyarticular Gouty Arthritis

    , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis Synovial fluid analysis[aafp.org] ; healthy persons HLA-B27 Healthy persons; spondyloarthropathies, reactive arthritis Elevated uric acid Gout, psoriatic arthritis, Paget's disease; healthy persons False-positive[aafp.org] , vasculitis Elevated creatine kinase (CPK) Polymyositis, dermatomyositis, hypothyroidism Elevated calcium Hyperparathyroidism, cancer, sarcoidosis TABLE 5 Findings of Laboratory[aafp.org]

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