American Association for Clinical Chemistry
Better health through laboratory medicine


2013 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.


Discrepant Thyroid Function Test Results in a 44-Year-Old Man
DOI: 10.1373/clinchem.2012.202283


A 12-cm Mass with No Symptoms and Unremarkable Laboratory Results
DOI: 10.1373/clinchem.2013.204438


Altered Mental Status in a Teenager
DOI: 10.1373/clinchem.2012.197285


A 4-Year-Old Girl with Gastroenteritis, Anemia, Thrombocytopenia, and Hematuria Disease
DOI: 10.1373/clinchem.2012.194720


Teenaged Siblings with Progressive Neurocognitive Disease
DOI: 10.1373/clinchem.2012.190710


Poor Response to Thiopurine in Inflammatory Bowel Disease: How to Overcome Therapeutic Resistance?
DOI: 10.1373/clinchem.2012.195750


Severe Hyponatremia in a Schizophrenic Patient
DOI: 10.1373/clinchem.2012.194969


A 3-Year-Old Girl with Frequent Nose Bleeds
DOI: 10.1373/clinchem.2012.188409


Violent Behavior and Hallucination in a 32-Year-Old Patient
DOI: 10.1373/clinchem.2011.179507


Increased Prolactin Concentrations in a Patient with Bipolar Disorder
DOI: 10.1373/clinchem.2011.176925


Take with a Grain of Salt
DOI: 10.1373/clinchem.2011.178111


A Young Adult with Aplastic Anemia and Gray Hair
DOI: 10.1373/clinchem.2012.187237


    If you or a colleague 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 online by clicking here.