Chronic urticaria associated with lung adenocarcinoma — a paraneoplastic manifestation: A case report and literature review

Figure 1 Classification of urticaria according to the World Allergy Organization, the European Academy of Allergy and Clinical Immunology, the Global Allergy and Asthma European Network and the European Dermatology Forum.

Figure 2 Visual representation of the different lesions found in the patient. A: In the oropharynx, nodular lesions of approximately 0.5 cm in diameter are evidenced; B: Erythematous, wheal-like lesions with raised and serpiginous edges are observed, highly pruritic, with intralesional confluence on the anterior trunk and upper extremities; C: Lesions with similar characteristics on the posterior trunk. Images were taken under patient´s consent.

Figure 3 Chest computed tomography. A: Chest computed tomography coronal section showing the presence of paratracheal nodules; B: Larger nodule at the level of the lingula in axial section.

Figure 4 Chest X-ray findings. A, B: Anteroposterior and lateral chest X-ray. Multiple nodules are observed in both pulmonary fields, predominantly perihilar.