Not necessarily. If swelling from inflammation is mild, it may not show up. I'd discuss the possibility of fungal sinusitis with your doctors and see what they say. It might be worth it to try an anti-fungal nasal rinse or oral medication to see if that helps any before jumping to the conclusion that it isn't from an infection. Good luck,
Gluten & Sulfite Sensitivity, Many Food/Inhalant/Medication Allergies & Intolerances, Asthma, Gut issues (dysmotility, non-specific inflammation), UCTD (Lupus?), Osteoporosis, Anemia, T- & B-Cell Lymphopenia, malabsorption/malnutrition, Lyme Disease (Igenex Lab IgM WesternBlot positive/CDC negative), etc.
Meds: Pulmicort, Injectable Vitamin B12, Herbs, Nutritional Supplements, Homeopathy.