Kikuchi disease

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Kikuchi disease

Author: Pediatric Oncall

Question
A 12 years old girl presented with swelling on left side of neck for 5-6 months which was gradually increasing in size. There was no contact with tuberculosis. On examination, weight was 49 kg, height was 154 cm. She had 4x3 matted cervical adenopathy in left posterior triangle. Other systems were normal. Hemoglobin was 9.4 gm, dl, WBC count was 6,500, cumm {54 percent polymorphs, 42 percent lymphocytes, 4 percent monocytes} with ESR of 25 mm at end of 1 hour. Mantoux test was 20 mm. Chest X-Ray was normal. Fine needle aspiration cytology {FNAC} of the lymph node was done which was suggestive of Kikuchi’s lymphadenopathy.

Is this tuberculosis or Kikuchi’s disease_?