Ketoacidosis is not always due to diabetes

Hypomagnesaemia due to malabsorption is not always responsive to oral magnesium oxide supplementation alone.

Air crescent sign: not always due to fungal infection.

A 65-year-old woman was admitted to the hospital due to hemoptysis once for 1 day. Cough with some whitish sputum but no fever or body weight loss was noted. Her medical history included hypertension, which was under regular medical control. She denied any smoking history. A physical examination revealed no remarkable findings. The chest radio-graph obtained on hospital admission revealed suspe...

Postprandial angina: not always due to stenotic coronary artery disease.

Ghosh GC, et al. BMJ Case Rep 2017. doi:10.1136/bcr-2017-223030 Description A 68-year-old man presented with history of postprandial angina for 6 months. He was a diabetic and hypertensive for 10 years. He was also a reformed smoker with 20 pack-years history of smoking. He did not give any history of acute coronary syndrome or any cardiac catheterisation. Clinical examination was unremarkable....

Small is not always beautiful

Peer-to-peer content distribution systems have been enjoying great popularity, and are now gaining momentum as a means of disseminating video streams over the Internet. In many of these protocols, including the popular BitTorrent, content is split into mostly fixed-size pieces, allowing a client to download data from many peers simultaneously. This makes piece size potentially critical for perf...

Promiscuity is not always bad.

In the recent issue of Cell, Bonham et al. (2014) reveal that the sorting adaptor TIRAP regulates the assembly of the Myddosome upon Toll-like receptor activation from both the cell surface and endosomes through its promiscuous binding to lipids.