Capsaicin-Triggered Vaginal Burning Due to Obstructed Rectovaginal Fistula: A Rare Case of Perineal Coproliths

Yujiao Wu; Weizheng Huang; Yong Wen; Cengzi Huang; Yaling Li; Jun Li

doi:10.12659/AJCR.950337

11 March 2026 : Case report China

Capsaicin-Triggered Vaginal Burning Due to Obstructed Rectovaginal Fistula: A Rare Case of Perineal Coproliths

Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment, Unexpected drug reaction, Educational Purpose (only if useful for a systematic review or synthesis)

Yujiao Wu^{BCDF 1}, Weizheng Huang^{BCDF 1}, Yong Wen^{ABEF 2}, Cengzi Huang^{CDEF 1}, Yaling Li^{CDE 3}, Jun Li^{BCDEF 1*}

DOI: 10.12659/AJCR.950337

Am J Case Rep 2026; 27:e950337

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Introduction Case Report Discussion Conclusions References

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Figure 3 Pelvic MRI revealing a low intersphincteric fistula tract (Parks classification). Arrow indicates the calcified coprolith within the tract.

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Capsaicin-Triggered Vaginal Burning Due to Obstructed Rectovaginal Fistula: A Rare Case of Perineal Coproliths

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