Penile calciphylaxis: A retrospective case-control study

doi:10.1016/j.jaad.2020.05.042

Penile calciphylaxis: A retrospective case-control study

2021-11-01

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Anna Cristina Garza‐Mayers

DOI：10.1016/j.jaad.2020.05.042

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Background: Calciphylaxis is a rare disorder characterized by skin necrosis caused by calcium deposition within vessels, thrombosis, and subsequent tissue ischemia. Penile involvement may rarely occur. Objective: To identify risk factors, diagnosis, management, and mortality of patients with penile calciphylaxis. Methods: A retrospective medical record review was conducted of 16 patients with penile calciphylaxis treated at 2 large urban tertiary care centers between January 2001 and December 2019. A control group of 44 male patients with nonpenile calciphylaxis at the same institution was included. Results: The median survival of patients with penile calciphylaxis was 3.8 months (interquartile range, 27.0 months). Mortality was 50% at 3 months and 62.5% at 6 months for penile calciphylaxis, and 13.6% at 3 months and 29.5% at 6 months for controls (P = .008). Patients with penile calciphylaxis were less likely to be obese (P = .04) but more likely to have hyperparathyroidism (P = .0003) and end-stage renal disease (P = .049). Limitations: Retrospective study design and small sample size. Conclusions: This study further defines the disease course of penile calciphylaxis, which has high mortality. Imaging may be used to aid diagnosis. Risk factors include end-stage renal disease, hyperparathyroidism, and normal body mass index.

Keywords:

calciphylaxis

diagnosis

management

outcomes

penile

risk factors

Penile calciphylaxis: A retrospective case-control study

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