Angioimmunoblastic T Cell Lymphoma Mimicking Chronic Urticaria

Table 1

Typical features of chronic spontaneous urticaria versus features in our patient.

Features	Chronic spontaneous urticaria	Our patient
Clinical appearance	Sudden onset of wheals, angioedema, or both	Sudden onset of angioedema and wheals
Duration of symptoms	Recurrent episodes for >6 weeks	Recurrent episodes for almost 2 years
	Wheals resolve within 24 hours Angioedema resolves within 72 hours	Episodes of angioedema and wheals lasting more than one week
Triggers	Not identifiable	Not identifiable
Presence of lymphadenopathy	No	Yes
Response to treatment	Most cases respond to H1 antihistamines	Initially responded to H1 antihistamines and steroids, in time became refractory to therapy