Cases reported "Hyperthyroidism"

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1/78. Ob-Gyn interactive case challenge--a case of sadness and anxiety 9 months postpartum.

    If you were the primary care provider, how would you diagnose and treat postpartum anxiety and depression in this young, first-time mother? After a normal, uncomplicated pregnancy, this 27-year-old woman developed anxiety and depressed mood, which she was still struggling to control 9 months after the birth of her child. Among the diagnostic possibilities to consider are occult malignancy, diabetes mellitus, and thyroid disorder, as well as major depression/anxiety disorder and postpartum depression.
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keywords = pregnancy
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2/78. Transient hyperthyroidism of hyperemesis gravidarum: a sheep in wolf's clothing.

    BACKGROUND: Transient hyperthyroidism of hyperemesis gravidarum (THHG) is a self-limiting hyperthyroidism occurring in the context of hyperemesis gravidarum. methods: A literature search of medline was undertaken, and a case report of a woman with THHG in pregnancy is described. RESULTS AND CONCLUSIONS: Because thyroid function tests cannot distinguish graves disease from THHG, the diagnosis of THHG rests largely on the concurrent development of hyperemesis and hyperthyroidism and the absence of signs and symptoms of hyperthyroidism before and during pregnancy. THHG might be responsible for 40% to 70% of thyroid function abnormalities in pregnancy. Both the thyroid function abnormalities and hyperemesis are related to elevated levels of human chorionic gonadotropin. THHG resolves by 18 weeks of pregnancy without sequelae. No treatment is required. diagnosis of THHG by the primary care provider can prevent unnecessary treatment or referral for specialty care.
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ranking = 4
keywords = pregnancy
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3/78. Efficacy of oral iodide therapy on neonatal hyperthyroidism caused by maternal Graves' disease.

    OBJECTIVE: To verify the efficacy of oral iodide therapy in treating a case of early neonatal hyperthyroidism due to maternal Graves' disease. methods: We report a case of neonatal hyperthyroidism which occurred in a 2,650-gram, female baby, born at 39 weeks' gestational age (GA) to a 30-year-old mother affected by Graves' disease and treated with thionamides (propylthiouracil) from the 20th week of gestation. A fetal goiter, due to maternal therapy, had been observed by ultrasound scan at 31 and 35 weeks of gestation, with contemporary low cord thyroid hormone levels. Two intra-amniotic injections of levothyroxine were then performed at 34 and 36 weeks of gestation, which led to a significant reduction of fetal goiter and to normalization of cord thyroid hormone levels. The neonatal clinical course was characterized by symptoms of hyperthyroidism from the 2nd to 3rd days of life (irritability, tachycardia, tachypnea, hyperphagia), mostly during feeding. Oral treatment with potassium iodide (KI, 8 mg x 3 times a day) was started at 23 days of life. RESULTS: Treatment with KI led to a significant reduction of neonatal clinical symptoms and to a normalization of hormone levels within 4 days of therapy. The treatment was discontinued in 13th week of life because of neonatal well-being and normal hormone levels. CONCLUSIONS: We believe that KI therapy is effective in treating neonatal hyperthyroidism and does not cause suppression of neonatal thyroid activity, which is possible using antithyroid drugs like thionamides.
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ranking = 2.1160582419526
keywords = gestation
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4/78. Gestational thyrotoxicosis with acute wernicke encephalopathy: a case report.

    A 35-year-old hyperthyroid woman who developed nausea, vomiting, tachycardia, nystagmus and mental disturbance, was referred to our hospital with a suspected diagnosis of thyroid storm. However, the thyroid gland was only slightly palpable, bruits were not audible, and exophthalmos was not present. serum levels of thyroid hormone were increased, but TSH receptor antibodies were negative. Echography and color flow doppler ultrasonography revealed a slightly enlarged thyroid gland and a slightly increased blood flow, both of which were much less milder than those expected for severe hyperthyroid Graves' disease. Under the diagnosis of hyperthyroidism due to gestational thyrotoxicosis associated with wernicke encephalopathy, vitamin B1 was administered on the first day of admission. Her consciousness became nearly normal on the second day except for slight amnesia. Her right abducent nerve palsy rapidly improved, but horizontal and vertical nystagmus, diminished deep tendon reflexes and gait ataxia improved only gradually. MRI findings of the brain were compatible with acute wernicke encephalopathy. We concluded that history taking and physical findings are important to make a differential diagnosis of gestational thyrotoxicosis with acute wernicke encephalopathy from Graves' thyroid storm, and that wernicke encephalopathy should be treated as soon as possible to improve the prognosis.
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ranking = 1.0580291209763
keywords = gestation
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5/78. Simultaneous presentation of ectopic pregnancy and hyperthyroidism.

    hyperthyroidism is known to occur uncommonly in pregnancy (about 0.5 per 1000). The incidence of ectopic pregnancy is approximately 9.6 per 1000 pregnancies. Both conditions, if unrecognised and untreated can have potentially fatal consequences. We describe a case of hyperthyroidism and ectopic pregnancy presenting concurrently, and highlight the difficulties encountered in diagnosis when two clinical conditions present with indistinguishable clinical signs.
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ranking = 7
keywords = pregnancy
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6/78. HCG induced hyperthyreosis in germ cell cancer.

    Human germ cell tumors have the unique capacity for totipotential differentiation. AFP (the product of normal yolk sac) and HCG (produced by trophoblastic tissues) are frequently produced by germ cell tumors. The a-subunit of the glycoprotein HCG is identical to that of several pituitary glycoprotein hormones (e.g. TSH, LH, FSH), whereas the b-subunit of HCG, TSH, LH and FSH is homologous but distinct in the terminal amino acid sequence suggesting that HCG is part of a superfamily of gestational hormones. However, the role of TSH within this hormone superfamily is still not yet established. A 24-year old patient was admitted to our clinic because of a widespread recurrence of a germ cell tumor (stage IIIC, Lugano classification). The routine hematologic and blood chemical tests were normal, yet, an elevated HCG was found. In addition, increased levels of the thyroid hormones FT3 and FT4 were seen, although, this was not associated with clinical symptoms of a hyperthyreosis. There was no history of hyperthyreosis and thyroidal autoantibody screening revealed normal titers. An ultrasound examination of the thyroid gland showed no abnormalities and no iodine exposure had occurred during the last months. To mobilize peripheral stem cells (PBSC) he was initially treated with paclitaxel (175 mg/m2) and ifosfamide (8.000 mg/m2)) followed by apheresis of PBSC. The patient was then entered in our phase-II-study for relapsing germ cell carcinomas using a high-dose chemotherapy regime (paclitaxel 175 mg/m2, ifosfamide 9.000 mg/m2, carboplatin 900 mg/m2, etoposide 900 mg/m2) with subsequent retransfusion of collected stem cells. Due to cranial metastases an cranial irradiation was also performed. After three courses of this protocol an excellent partial remission of the tumor lesions was achieved and the HCG value dramatically decreased. Due to elevated thyroidal hormones, the patient was initially treated with thiamazole (20 mg) resulting in decrease of the thyroidal hormones. Thus, the thiamazole dose was reduced to 5 mg and then omitted. The decrease of the thyroidal hormones FT3 and FT4 strongly correlated with the reduction of HCG values (r2 0.91 and 0.77, p < 0.0008). To date there is only slight evidence that enhanced HCG levels may cause, at least in part, a hyperthyreosis (e.g. gestational hyperthyreosis), however, the underlying biochemical mechanism still remains unclear. In this case report we have demonstrated a clear positive correlation between HCG levels and thyroidal hormones in a patient with germ cell tumor suggesting a direct stimulation of hormone producing thyroidal cells by HCG, however, this was not associated with clinical symptoms of hyperthyreosis. Currently, several in vitro studies are underway in our laboratory to further elucidate the biochemical mechanisms of HCG induced hyperthyreosis.
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ranking = 1.0580291209763
keywords = gestation
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7/78. Short-term hyperthyroidism followed by transient pituitary hypothyroidism in a very low birth weight infant born to a mother with uncontrolled Graves' disease.

    Transient hypothyroxinemia in infants born to mothers with poorly controlled Graves' disease was first reported in 1988. We report that short-term hyperthyroidism followed by hypothyroidism with low basal thyroid-stimulating hormone (TSH) levels developed in a very low birth weight infant born at 27 weeks of gestation to a noncompliant mother with thyrotoxicosis attributable to Graves' disease. We performed serial thyrotropin-releasing hormone (TRH) tests in this infant and demonstrated that TSH unresponsiveness to TRH disappeared at 6.5 months of age. The maternal thyroid function was free triiodothyronine (FT(3)), 21.1 pg/mL; free thyroxine (FT(4)), 8.1 ng/dL; TSH, <0.03 microU/mL; thyroid-stimulating hormone receptor antibody, 52% (normal: <15%); thyroid-stimulating antibody, 294% (normal: <180%); and thyroid-stimulation blocking antibody, 9% (normal: <25%) on the day of delivery. A nonstress test revealed fetal tachycardia >200 beats per minute, and a male infant weighing 1152 g was born by emergency cesarean section. Thyroid-stimulating hormone receptor antibody was 16% and thyroid-stimulating antibody was 370% in the cord blood. We administered 10 mg/kg per day of oral propylthiouracil from day 1. tachycardia along with elevated FT(4) and FT(3) levels in the infant decreased from 200/minute to 170/minute, 4.7 ng/dL to 2.9 ng/dL, 7.0 pg/mL to 4.8 pg/mL, respectively, in the first 33 hours. At 5 days, FT(4) and FT(3) were 1.1 ng/dL and 2.9 pg/mL, respectively, and we stopped propylthiouracil administration. Although FT(4) decreased to 0.4 ng/dL, TSH was quite low and did not respond to intravenous TRH by 14 days of age. We began daily levothyroxine 5-micro/kg supplementation. The responsiveness of TSH to TRH did not become significant until 4 months old and normalized at 6.5 months old. At this time, levothyroxine was stopped. We conclude that placental transfer of thyroid hormones may cause hyperthyroidism in the fetal and early neonatal periods and lead to transient pituitary hypothyroidism in an infant born to a mother with uncontrolled Graves' disease.
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ranking = 0.52901456048814
keywords = gestation
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8/78. Hyperplacentosis: a novel cause of hyperthyroidism.

    Human chorionic gonadotropin (hCG), which is capable of thyrotropic activity, is believed responsible for the hyperthyroidism of gestational trophoblastic disease and hyperemesis gravidarum. Hyperplacentosis is a condition of heightened trophoblastic activity characterized by increased placental weight and circulating hCG levels higher than those associated with normal pregnancy. We report the first case of hyperthyroidism associated with hyperplacentosis. Correction of the hyperthyroidism occurred after hysterotomy and correlated with declining hCG levels. Hyperplacentosis should be included among the causes of hCG-mediated hyperthyroidism.
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ranking = 1.5290145604881
keywords = pregnancy, gestation
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9/78. Interplay of pregnancy, lactation, and hyperthyroidism leading to severe osteoporosis in a young woman.

    OBJECTIVE: To describe the case of a young woman who had severe osteoporosis due to the compounding effects of pregnancy, lactation, and hyperthyroidism and who had a presumed metastatic lesion in the lumbar spine. methods: We present the clinical, pathologic, radiologic, and laboratory findings and describe the clinical course of our patient. RESULTS: A 31-year-old Arabic woman was referred to the M. D. Anderson Cancer Center because of a lytic lesion in her lumbar spine, presumed to be metastatic deposits. She had a history of two consecutive pregnancies and intermittently treated hyperthyroidism. Our initial evaluation revealed that the patient had clinical and biochemical thyrotoxicosis, and we treated her with thionamides, corticosteroids, and radioiodine ablation. Radiologic studies disclosed a complex renal cyst that had increased uptake on a bone scan, which was highly suggestive of a primary malignant lesion. Ultimately, however, it proved benign on pathologic analysis after a left nephrectomy. Bone mineral density measurements identified severe osteoporosis (T-scores: lumbar spine, -3.3; right hip, -2.2; and left hip, -2.0), which had led to vertebral collapse and was misinterpreted as malignant metastatic disease. The bone mineral densities improved ( 5 to 11% at the various sites) within 4 months after definitive treatment and cure of the hyperthyroidism. CONCLUSION: The effect of pregnancies and prolonged lactation, in the milieu of other risk factors for bone depletion such as hyperthyroidism, may cause severe osteoporosis in a young patient. The resulting osteoporosis may manifest as a lesion suggestive of malignant metastatic involvement.
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ranking = 5
keywords = pregnancy
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10/78. Neonatal hyperthyroidism in infants of mothers previously thyroidectomized due to Graves' disease.

    Neonatal hyperthyroidism generally arises as a result of active maternal Graves' disease via transplacental passage of thyroid stimulating immunoglobulins (TSI). On occasions, production of these antibodies may continue after thyroid ablation, either surgically or with radioiodine therapy. We present data concerning three patients (two of them twins) whose mothers had previously undergone near-total thyroidectomy prior to conception. Two of the neonates had neonatal hyperthyroidism due to persistence of TSI in the mother, and the third due to relapse of the maternal Graves' disease during pregnancy. We recommend monitoring
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keywords = pregnancy
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