Allergic rhinitis (AR) is a chronic, non-infectious condition affecting the nasal mucosa, primarily mediated mainly by IgE. Recent studies reveal that AR is intricately associated not only with type 2 ...

A 52-year-old male with abrupt-onset hoarseness visited the authors' clinic. His medical history was otherwise unremarkable. A 1 × 1 cm hard, fixed lymph node was palpable in the right level II area.

Furthermore, diagnosis by imaging (MRI) is only made when IPN occurs in large caliber nerves, with bone erosion, widening of the foramen of the skull base, loss of fat in the pterygopalatine fossa, ...