What are physical findings of comorbid pyoderma gangrenosum and hidradenitis suppurativa (HS)?

Updated: Aug 30, 2019
  • Author: Marina Jovanovic, MD, PhD; Chief Editor: William D James, MD  more...
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Answer

Pyoderma gangrenosum has been rarely associated with hidradenitis suppurativa, and this developed only after hidradenitis suppurativa had been present for at least 2 decades, just as in the authors' patient (see the images below).

Vulvar hidradenitis suppurativa. Vulvar hidradenitis suppurativa.
Vulvar and inguinal indurations. Vulvar and inguinal indurations.
Sinus tract. Sinus tract.
Draining sinus tract. Draining sinus tract.
Axillary hidradenitis suppurativa in a patient wit Axillary hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Close-up view of axillary hidradenitis suppurativa Close-up view of axillary hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Submammary hidradenitis suppurativa in a patient w Submammary hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Double-ended-comedones. Hidradenitis suppurativa i Double-ended-comedones. Hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Inguinal hidradenitis suppurativa in a patient wit Inguinal hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Close-up view of inguinal hidradenitis suppurativa Close-up view of inguinal hidradenitis suppurativa in a patient with pyoderma gangrenosum.
Pyoderma gangrenosum in a patient with hidradeniti Pyoderma gangrenosum in a patient with hidradenitis suppurativa.
Close-up view of pyoderma gangrenosum in a patient Close-up view of pyoderma gangrenosum in a patient with hidradenitis suppurativa.
Coexisting hidradenitis suppurativa and pyoderma g Coexisting hidradenitis suppurativa and pyoderma gangrenosum.
Coexisting hidradenitis suppurativa and pyoderma g Coexisting hidradenitis suppurativa and pyoderma gangrenosum.
Hidradenitis suppurativa in a patient with pyoderm Hidradenitis suppurativa in a patient with pyoderma gangrenosum.

Fifteen cases of coexisting pyoderma gangrenosum and hidradenitis suppurativa were found in the English-language literature. More studies are required to support impaired neutrophil function as a common etiological pathway. [70]


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