American Association for Clinical Chemistry
Improving healthcare through laboratory medicine
2009 Clinical Case Studies

Each month, a case and a series of questions can be emailed to interested individuals 4-6 weeks in advance of publication. The published version will include a discussion of the case, important points to remember, and comments from 1-2 experts in the field. We urge you to share and discuss these with your trainees each month.

DECEMBER

Too Much of a Good Thing: A Woman with Hypertension and Hypokalemia
DOI: 10.1373/clinchem.2009.127506 

NOVEMBER

Severe Hyponatremia with High Urine Sodium and Osmolality
DOI: 10.1373/clinchem.2008.125575 

OCTOBER

Unexpected Urine Drug Testing Results in a Hospice Patient on High-Dose Morphine Therapy
DOI: 10.1373/clinchem.2008.122754

SEPTEMBER

A Case of Renal Osteodystrophy with Unexpected Serum Intact Parathyroid Hormone Concentrations
DOI: 10.1373/clinchem.2008.121921

AUGUST

Persistent Increase in Aspartate Aminotransferase in an Asymptomatic Patient
DOI: 10.1373/clinchem.2008.120782

JULY

A Patient with a Leg Rash, Pedal Edema, Renal Failure, and Thrombocytopenia 
DOI: 10.1373/clinchem.2008.116541

JUNE

A Patient with a Previous Diagnosis of Hemoglobin S/C Disease with an Unusually Severe Disease Course 
DOI: 10.1373/clinchem.2008.112326

MAY

Chronic Diarrhea in a 5-Year-Old Girl: Pitfall in Routine Laboratory Testing with Potentially Severe Consequences
DOI: 10.1373/clinchem.2008.110148

APRIL

Genetic Testing for Developmental Delay: Keep Searching for an Answer
DOI: 10.1373/clinchem.2008.119438

MARCH

Two Cases with Unusual Vancomycin Measurements
DOI: 10.1373/clinchem.2008.112946

    FEBRUARY

    Myocardial Infarction in a 72-Year-Old Woman with Low LDL-C and Increased hsCRP: Implications for Statin Therapy
    DOI: 10.1373/clinchem.2008.115931

    JANUARY

    A Patient with Primary Biliary Cirrhosis and Elevated LDL Cholesterol
    DOI: 10.1373/clinchem.2008.108720

    If you would like to receive the cases and questions in advance of publication, please send us an email.

    We welcome the submission of interesting case studies. Instructions can be found be found online.

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