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This Concept Map, created with IHMC CmapTools, has information related to: Endocrine System Case Study 1, Mary, a 29-year-old woman presents to your office complaining of progressing nervousness, fatigue, palpitations, and the recent development of a resting hand tremor. She also states that she is having difficulty concentrating at work and has been more irritable with her coworkers. The patient also notes that she has developed a persistent rash over her shins that has not improved with the use of topical steroid creams. All of her symptoms have come on gradually over the past few months and continue to get worse. Review of systems also reveals an unintentional weight loss of about 10 pounds, insomnia, and amenorrhea for the past 2 months (the patient's menstrual cycles are usually quite regular). The patient's past medical history is unremarkable and she takes no oral medications. She is currently not sexually active and does not drink alcohol, smoke, or use any illicit drugs. On examination, she is afebrile. Her pulse varies from 70-110 beats per minute. She appears restless and anxious. Her skin is warm and moist. Her eyes show evidence of exophthalmos and lid retraction bilaterally, although funduscopic examination is normal. Neck examination reveals symmetric thyroid enlargement, without any discrete palpable masses. Cardiac examination reveals an irregular rhythm. Her lungs are clear to auscultation. Extremity examination reveals an erythematous, thickened rash on both shins. Neurologic examination is normal except for a fine resting tremor in her hands when she attempts to hold out her outstretched arms. Initial lab tests include a negative pregnancy test and an undetectable level of thyroid-stimulating hormone (TSH). suggest What imaging study is most appropriate at this time? Group C, Mary, a 29-year-old woman presents to your office complaining of progressing nervousness, fatigue, palpitations, and the recent development of a resting hand tremor. She also states that she is having difficulty concentrating at work and has been more irritable with her coworkers. The patient also notes that she has developed a persistent rash over her shins that has not improved with the use of topical steroid creams. All of her symptoms have come on gradually over the past few months and continue to get worse. Review of systems also reveals an unintentional weight loss of about 10 pounds, insomnia, and amenorrhea for the past 2 months (the patient's menstrual cycles are usually quite regular). The patient's past medical history is unremarkable and she takes no oral medications. She is currently not sexually active and does not drink alcohol, smoke, or use any illicit drugs. On examination, she is afebrile. Her pulse varies from 70-110 beats per minute. She appears restless and anxious. Her skin is warm and moist. Her eyes show evidence of exophthalmos and lid retraction bilaterally, although funduscopic examination is normal. Neck examination reveals symmetric thyroid enlargement, without any discrete palpable masses. Cardiac examination reveals an irregular rhythm. Her lungs are clear to auscultation. Extremity examination reveals an erythematous, thickened rash on both shins. Neurologic examination is normal except for a fine resting tremor in her hands when she attempts to hold out her outstretched arms. Initial lab tests include a negative pregnancy test and an undetectable level of thyroid-stimulating hormone (TSH). suggest What is the definitive nonsurgical treatment of this condition? Group D, Mary, a 29-year-old woman presents to your office complaining of progressing nervousness, fatigue, palpitations, and the recent development of a resting hand tremor. She also states that she is having difficulty concentrating at work and has been more irritable with her coworkers. The patient also notes that she has developed a persistent rash over her shins that has not improved with the use of topical steroid creams. All of her symptoms have come on gradually over the past few months and continue to get worse. Review of systems also reveals an unintentional weight loss of about 10 pounds, insomnia, and amenorrhea for the past 2 months (the patient's menstrual cycles are usually quite regular). The patient's past medical history is unremarkable and she takes no oral medications. She is currently not sexually active and does not drink alcohol, smoke, or use any illicit drugs. On examination, she is afebrile. Her pulse varies from 70-110 beats per minute. She appears restless and anxious. Her skin is warm and moist. Her eyes show evidence of exophthalmos and lid retraction bilaterally, although funduscopic examination is normal. Neck examination reveals symmetric thyroid enlargement, without any discrete palpable masses. Cardiac examination reveals an irregular rhythm. Her lungs are clear to auscultation. Extremity examination reveals an erythematous, thickened rash on both shins. Neurologic examination is normal except for a fine resting tremor in her hands when she attempts to hold out her outstretched arms. Initial lab tests include a negative pregnancy test and an undetectable level of thyroid-stimulating hormone (TSH). suggest What is the most likely diagnosis? Group B