Knowledge Check

What is a “platelet millionaire”?

a
A case in which the patient won the lottery
b
A case in which one million platelets are being produced every second
c
A case in which the platelet count is > million x 10^9/L
d
A case in which the platelet count is > million/microliter
Yes! We now routinely talk about platelet counts as 10/L. The millionaire refers to a time when the platelet count was expressed per microliter.

The original description of platelet millionaire:

Lancet 1980;2(8190):372-3.

Sort conditions (on top) to appropriate buckets (on bottom)

Cirrhosis
Infection
Congestive heart failure
MDS/MPN-RS-T
Surgery
CML
Irritable bowel syndrome
ET
Hemolysis
Aortic stenosis
Bleeding
Hypothyroidism
Guillain Barre syndrome
Inflammation
Iron deficiency
PV
Cancer
Mutated TPO-R
Primary thrombocytosis
Secondary thrombocytosis
No link to thrombocytosis

Abbreviations, ET, essential thrombocythemia; PV, polycythemia vera; CML, chronic myelogenous leukemia; MDS/MPN-RS-T, myelodysplastic syndrome/myeloproliferative neoplasm with ring sideroblasts and thrombocytosis; TPO-R, thrombopoietin receptor.