Hidradenitis Suppurativa Hurley Stage III MCQ — NEET PG Practice Question | NEETPGAI
Hidradenitis Suppurativa Hurley Stage III
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hand Dermatology
A 34-year-old man with a 9-year history of recurrent painful boils in the axillae and groins presents with constant drainage and significant functional impairment. Examination of the left axilla reveals extensive, deeply violaceous, indurated skin with multiple actively draining abscesses, double-ended comedones, and rope-like scarring. The structure marked **A** in the diagram—interconnected sinus tracts with bridging scars—is the pathognomonic finding that distinguishes this presentation from earlier Hurley stages. Which of the following best describes the clinical significance of this finding in determining disease severity and guiding management?
A. Suggests secondary bacterial infection as the primary pathogenic mechanism requiring prolonged antibiotic monotherapy
B. Represents early-stage follicular occlusion amenable to topical antibiotics and weight loss alone
C. Demonstrates apocrine gland dysfunction requiring hormonal manipulation and isotretinoin therapy
D. Indicates Hurley Stage III disease with diffuse involvement requiring biologic therapy and wide local excision
Explanation
Why "Indicates Hurley Stage III disease with diffuse involvement requiring biologic therapy and wide local excision" is right
The presence of interconnected sinus tracts with bridging scars (structure A) is the defining morphologic feature of Hurley Stage III hidradenitis suppurativa. According to the JAAD 2023 consensus and EHSF 2024 guidelines, Stage III is characterized by diffuse or near-diffuse involvement of an anatomic region with multiple interconnected sinus tracts and abscesses. This finding mandates escalation to biologic therapy (adalimumab or secukinumab) combined with wide local excision of affected fields, distinguishing it from earlier stages that may respond to conservative measures alone.
Why each distractor is wrong
"Represents early-stage follicular occlusion amenable to topical antibiotics and weight loss alone": While follicular occlusion is the underlying pathogenic mechanism in all stages of HS, the presence of interconnected sinus tracts with bridging scars indicates advanced (Stage III) disease, not early-stage disease. Early stages (I–II) lack these bridged tracts and respond better to conservative therapy.
"Suggests secondary bacterial infection as the primary pathogenic mechanism requiring prolonged antibiotic monotherapy": This misrepresents the pathogenesis of HS. The primary driver is follicular occlusion with secondary rupture and chronic neutrophilic inflammation, not primary bacterial infection. Interconnected sinus tracts indicate Stage III disease requiring multimodal therapy including biologics and surgery, not antibiotic monotherapy.
"Demonstrates apocrine gland dysfunction requiring hormonal manipulation and isotretinoin therapy": Although HS occurs in apocrine-bearing regions, the interconnected sinus tracts with bridging scars do not indicate apocrine dysfunction as the primary pathology. Isotretinoin is not indicated for HS; management of Stage III disease requires biologic agents and surgical excision, not hormonal or retinoid therapy.
High-YieldNEET PG
Interconnected sinus tracts with bridging scars = Hurley Stage III = biologic therapy + wide local excision.
