Question

After a frightening coughing episode, a 5-year-old boy with a congenital heart condition expectorated what is shown in the image sent by his father (Fig. 1). He had no fever or signs of chest infection. What is your diagnosis?

Fig. 1
figure 1

A picture sent by the father showing a expectorated product with a 5 € Cent coin (20 mm) as a size reference

Answer

You will find the answer elsewhere in this issue.