What do A and B designations for Hodgkin lymphoma (Hodgkin disease) denote?

Updated: Sep 12, 2018
  • Author: Bradley W Lash, MD; Chief Editor: Emmanuel C Besa, MD  more...
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A or B designations denote the absence or presence of B symptoms. A "B" designation includes the presence of one or more of the following:

  • Fever (temperature >38°C)

  • Drenching night sweats

  • Unexplained loss of more than 10% of body weight within the preceding 6 months

An "A" designation is the absence of the above.

An "X" designation is sometimes used to indicate the presence of bulky disease (ie, bulk >10 cm).

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