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A rare otorhinolaryngological disease characterized by the presence of a, usually unilateral, sinus tract or cyst located in the vicinity of the auricle (most frequently identified by a small pit near the anterior margin of the first ascending portion of the helix). Typically, patients are asymptomatic and usually only present symptoms (pain, erythema, discharge from pit) in relation to infection. Renal and inner ear anomalies may be associated.
Biomarker and diagnostic research for pinnae fistula or cyst has been reported in the published literature.
No clinical trials have been registered for pinnae fistula or cyst.
202 publications have been identified in PubMed for pinnae fistula or cyst. Kisho has analyzed 133 by research type. Research spans Review / Meta-Analysis (49%), Basic Science / Preclinical (18%), and Case Report / Case Series (11%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 65 | 49% |
Data assembled from 3 of 12 sources · Last updated Sep 19, 2026, 5:34 AM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Laboratory research
24 |
18% |
Patient case studies | 14 | 11% |
Clinical study results | 9 | 7% |
Disease patterns and progression | 8 | 6% |
Testing and diagnosis research | 6 | 5% |
New treatment approaches | 6 | 5% |
Other research | 1 | 1% |
Porche K (2026). [PMID: 41237389](https://pubmed.ncbi.nlm.nih.gov/41237389/). *J Neurosurg*. [Case Report / Case Series]
Winters R (2026). [PMID: 33085404](https://pubmed.ncbi.nlm.nih.gov/33085404/). *Unknown Journal*. [Clinical Trial Publication]
Boitez P (2026). [PMID: 41411884](https://pubmed.ncbi.nlm.nih.gov/41411884/). *Ann Dermatol Venereol*. [Clinical Trial Publication]
Singhi AD (2026). [PMID: 41388172](https://pubmed.ncbi.nlm.nih.gov/41388172/). *Ann Surg Oncol*. [Basic Science / Preclinical]
Ellenbogen Y (2026). [PMID: 41504793](https://pubmed.ncbi.nlm.nih.gov/41504793/). *J Neurooncol*. [Review / Meta-Analysis]
Porche K (2026). [PMID: 41237393](https://pubmed.ncbi.nlm.nih.gov/41237393/). *J Neurosurg*. [Review / Meta-Analysis]
Marino D (2026). [PMID: 42167856](https://pubmed.ncbi.nlm.nih.gov/42167856/). *Best Pract Res Clin Gastroenterol*. [Review / Meta-Analysis]
Frasier K (2026). [PMID: 41906990](https://pubmed.ncbi.nlm.nih.gov/41906990/). *Clin Obstet Gynecol*. [Review / Meta-Analysis]
Yao Y (2026). [PMID: 41688934](https://pubmed.ncbi.nlm.nih.gov/41688934/). *BMC Gastroenterol*. [Review / Meta-Analysis]
Oztosun G (2025). [PMID: 40932001](https://pubmed.ncbi.nlm.nih.gov/40932001/). *Expert Opin Investig Drugs*. [Review / Meta-Analysis]