Serial Platelet-Rich Plasma Injections for Vocal Fold Atrophy, Scar, and/or Sulcus Vocalis

Inclusion Criteria: * Vocal fold atrophy, scar, and/or sulcus vocalis diagnosed on laryngeal video stroboscopy by a fellowship-trained laryngologist * Patients with a pre-injection VHI-10 score of ≥ 10 * Willingness to follow study requirements and perform follow-up visits for up to 4 months following the procedure * Ability to give informed consent Exclusion Criteria: * Other co-existing laryngeal pathology that would affect either the safety or potential benefit from PRP injection * Current smoker * Underlying coagulopathy, thrombocytopenia, or platelet dysfunction