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Clinical presentation of qualitative olfactory dysfunction.

J Frasnelli1, B N Landis, S Heilmann

  • 1Smell and Taste Clinic, Department of Otorhinolaryngology, University of Dresden Medical School, Fetscherstrasse 74, 01307 Dresden, Germany.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|November 12, 2003
PubMed
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Olfactory dysfunction often involves distorted smell sensations like parosmia and phantosmia. Accurate diagnosis relies on detailed patient history due to the varied clinical presentation of these qualitative smell disorders.

Area of Science:

  • Neurology
  • Otolaryngology
  • Sensory Science

Background:

  • Olfactory dysfunction encompasses both reduced smell acuity (quantitative) and altered smell perception (qualitative).
  • Qualitative olfactory dysfunctions include parosmia (distorted smell with odor) and phantosmia (phantom smell without odor).
  • The incidence of olfactory distortions is frequently underestimated in clinical practice.

Observation:

  • Clinical observations indicate a wide spectrum of how olfactory distortions manifest.
  • Parosmia and phantosmia present with significant variability in their clinical appearance.
  • These qualitative smell alterations significantly impact patients' quality of life.

Findings:

  • The study highlights that olfactory distortions are common yet often overlooked.

Related Experiment Videos

  • Selected cases demonstrate the diverse clinical presentations of parosmia and phantosmia.
  • A thorough, targeted patient history is crucial for diagnosing olfactory distortions.

    • Implications:

    • Emphasizes the need for clinicians to inquire about qualitative smell changes.
    • Suggests that improved diagnostic approaches for olfactory disorders are necessary.
    • Underscores the importance of recognizing the impact of distorted smell on patient well-being.