Endocrinology

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A preoperative evaluation performed shortly before a 66-year-old man is scheduledto undergo coronary artery bypass graft (CABG) surgery reveals a peripheralblood leukocyte count of 23,500/μL with 28% neutrophils, 70% lymphocytes,and 2% monocytes. The patient’s hemoglobin level is 14.5 g/dL; plateletcount is 265,000/μL.

My patient is a 70-year-old man who has had several episodesof cellulitis in his right thigh; he does not have diabetes.After the third episode, a 1-cm subcutaneous mass was excisedabove the area of recurrent cellulitis.

A 66-year-old woman presents tothe emergency department(ED) with exertional dyspnea, generalizedweakness, and orthostaticdizziness; the symptoms startedabout 1 week earlier and have progressedinsidiously. The patient alsoreports diaphoresis and nausea withoutvomiting. She has no chest pain,palpitations, cough, or hemoptysis;she has not had a recent respiratorytract infection. While she is waitingto be admitted, she has an episode ofsyncope.

A 55-year-old constructionworker who spends a gooddeal of time outdoors has had occasionalblurred vision and an irritatedeyelid for several days. He has wellcontrolleddiabetes and hypertension.Which of these conditions doyou suspect?

To facilitate the swallowing movementsthat are key to the examinationof neck swellings-particularlythose of the thyroid gland-give thepatient a full cup of water and askhim or her to drink it slowly whileyou examine the neck.

In his article, “Subclinical Hypothyroidism: When to Treat, When to Watch?”(CONSULTANT, April 1, 2004, page 533), Dr Vahab Fatourechi notes that thereis some evidence that subclinical hypothyroidism has adverse effects on cardiovascularfunction that may contribute to left ventricular systolic dysfunction with effort.

A 38-year-old overweight woman presents with an asymptomatic rash ofat least 2 months’ duration that had not responded to a combinationcorticosteroid/antifungal agent. She has mild hypertension and type 2 diabetesmellitus that is being managed with diet and exercise. She is otherwisehealthy.

When a patient with diabetes presentswith a foot wound, prompt and aggressiveintervention is required topromote healing and to prevent progressionthat could lead to a leg amputation.Fortunately, the majority ofdiabetic foot wounds heal rapidly withlittle difficulty.

Men and women with diabetes are 2 to 4 times more likelythan other persons to die of complications of cardiovasculardisease (CVD). Solid evidence from primary andsecondary prevention trials has prompted the AmericanDiabetes Association to recommend low-dose aspirin therapyfor patients with diabetes who either have or are athigh risk for CVD (Table).

Is there evidence that treating elevated fasting glucose levels or impairedglucose tolerance, from early in pregnancy until term, improves outcomes(ie, fewer cesarean deliveries, fewer macrosomic babies, fewer patients in whompreeclampsia develops, fewer mothers who subsequently require insulin)?

A 67-year-old woman has had an ulcer on her left heel for at least several weeks.She applied a homemade dressing and cut her shoes to try to relieve pressureon the ulcer; however, in the past week, areas around the ulcer have becomepainful. These areas, as well as the dorsum of the foot, are red and swollen.

For several months, a 26-year-old man has had persistent bumps on his scalpand the back of his neck. Some hair loss has also occurred at the site.

In his article “High-Risk Hypertensive Patients: How to Optimize Therapy UsingACE Inhibitors and ARBs” (CONSULTANT, October 2003, page 1390), Dr JanBasile recommends angiotensin-converting enzyme (ACE) inhibitors for patientswith type 1 diabetes with or without hypertension, whether or not nephropathyis present.

A 69-year-old woman is broughtto the emergency department(ED) after a head-on collision in whichshe sustained injury to the right sideof the chest and the left ankle in additionto a laceration on her left forearm.She possibly had a transient loss ofconsciousness, but in the ED she canrecall all the events of the car accident.She complains of pain in the chestand ankle.