Lipid disorders

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The metabolic syndrome represents a clustering of conditions and/or risk factors that lead to an increased incidence of type 2 diabetes mellitus and cardiovascular disease. These conditions include abdominal obesity, dyslipidemia, hypertension, insulin resistance, and a proinflammatory state.

A 65-year-old man presented with bluish toes and petechiae on his toes and feet 3 days after having undergone renal angiography. Bilateral pitting pedal edema was noted, and laboratory tests revealed proteinuria, eosinophilia, and an erythrocyte sedimentation rate (ESR) of 65 mm/h.

A 56-year-old man was admitted to the hospital with right lower lobe pneumonia, which was exacerbated by smoking-induced chronic obstructive pulmonary disease (COPD).

A dilated and tortuous vein, flame-shaped hemorrhages, dot-blot hemorrhages, and cotton-wool spots (retinal ischemia) that extended along the supranasal retinal arcade of the right eye were found during a 73-year-old man's annual eye examination. Because these changes were isolated to one quadrant and did not involve the macular area, the patient had no symptoms.

A 49-year-old woman noticed a growing lesion near the inner corner of her left upper eyelid. The lesion had become conspicuous because of its size and color; the patient wanted it removed.

For 1 week, a 22-month-old boy experienced gradually increasing facial swelling followed by swelling of the abdomen and legs. His mother reported that the child's urinary output had markedly decreased. During this period, the youngster gained 5 lb.

A 51-year-old woman complained of mild pain in the Achilles tendon area of both feet. This was aggravated when she stood for prolonged periods and when she wore tight, high-heeled shoes. Physical examination results were unremarkable except for a disputable palpable thickness of the Achilles tendons, especially on the right foot.

Xanthelasma Palpebrarum

These yellow asymptomatic lesions on the inner upper eyelids of a 36-year-old woman had persisted for 2 years. She had a history of type 2 diabetes mellitus, migraine, nicotine dependence, bipolar disorder, and obesity. Her medications included quinapril, insulin aspart injection, sumatriptan, ziprasidone, and temazepam.

The parents of a 16-year-old girl report that during the past several months, she has exhibited behavioral changes, irritability, increased anger, depression, and anxiety. The girl had previously been healthy, and there has been no recent illness or trauma.

During a routine annual checkup, a 5-ft 8-in, 94.5-kg (210-lb) 13-year-old girl was noted to have a hyperpigmented "dirty" lesion on the back of her neck. The girl's parents were also obese. Her mother had type 2 diabetes mellitus.

I would like to offer a few comments on the reply by Dr Michael Prisant to a reader's question about whether statin therapy is appropriate for a 52-year-old woman with a high low-density lipoprotein (LDL) cholesterol level and a high high-density lipoprotein (HDL) cholesterol level

As recommended by the authors, I commonly order a fasting lipid profile and measurements of glucose and insulin levels in children at risk for type 2 diabetes. One area of management that remains confusing is the approach to take with children who have an elevated fasting insulin level but otherwise normal laboratory results.

My patient is a 52-year-old woman with elevated levels of both low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol. She does not have a family history of cardiovascular disease; has never smoked; is of normal weight; and does not have diabetes, hypertension, or known atherosclerotic disease.