Studies
Extramammary Paget’s disease (EMPD) is rare and as such medical studies and research on EMPD is often difficult to find. Due to limited participation, EMPD studies can differ in conclusions.
This study aimed to analyze extramammary Paget's disease (EMPD)-specific survival, overall survival, and recurrence rate (RR) in patients with EMPD in South Korea, with a focus on wide local excision. Based on the survival and RRs obtained, surgical treatment of EMPD with wide local excision provides fair curative resection.
Extramammary Paget disease (EMPD) is a rare skin cancer that affects areas with a high concentration of apocrine glands including genital, axillary, and anal skin. When it affects other locations it is called ectopic extramammary Paget disease (E-EMPD) and is uncommon. To date, there are only 45 case reports to the best of our knowledge. The clinical manifestation is typically a soft, red or bright pink patch or plaque with scattered white islands of hyperkeratosis and erosion. Diagnostic confirmation requires conventional histology with immunohistochemistry. The importance of immunohistochemical staining for the diagnosis of primary neoplasia, without underlying malignancy, is highlighted. We report the first Latin American confirmed case, to our knowledge, of primary E-EMPD in a 55-year-old man with a 1-year history of asymptomatic thoracic plaque.
Medical records of patients seeking care for EMPD from 1/1992–9/2015 were reviewed. Follow-up was restricted to 5 years following primary surgery. Recurrence-free survival (RFS) was estimated using the Kaplan-Meier method. Risk factors were evaluated for an association with recurrence and positive margins, respectively, using Cox proportional hazards regression and logistic regression.
Inclusion of males allowed us to examine the influence of a different surgical approach (MMS) on margin status and recurrence rates in EMPD. In contrast to prior studies including solely vulvar EMPD, we observed strong association between margin status and recurrence risk. Risk of positive margins was significantly higher after WLE compared to MMS. MMS should be explored to improve outcomes in gynecologic patients with EMPD.
Perianal Paget’s disease (PPD) is an extremely rare condition characterized as intraepithelial adenocarcinoma of unclear etiology. It can be either primary or secondary. The disease typically presents as an eczema-like, erythematous, and painful skin lesion that is associated with pruritus. It is usually misdiagnosed as a common anorectal problem. Surgical excision is the preferred treatment of PPD, with the specific technique being dependent upon disease invasiveness.
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