Hi well come to Hcm.
Better you take him to your doctor and let him do clinical examination to find out
if there are more than one gland enlarged,is it painful on examinationHistory of
, loss of appetite and weight etc are important points to corelate for conclusion
to come.Final answer is only biopsy
may or may not need it if subsides with antibiotics
due to suspected infection.At younger age chances of tuberculosis