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Letter to the Editor
Postsurgical pyoderma gangrenosum: A diagnosis we cannot miss
Pioderma gangrenoso posquirúrgico: un diagnóstico que no podemos pasar por alto
Maria Penalba-Torresa,
Corresponding author
maria_penalba@hotmail.com

Corresponding author.
, Carlos Zarco-Olivoa,b, Alba Calleja-Algarraa
a Department of Dermatology, Institute i+12, Hospital 12 de Octubre, Madrid, Spain
b Universidad Complutense, Medical School, Madrid, Spain
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    "textoCompleto" => "<span class="elsevierStyleSections"><p id="par0005" class="elsevierStylePara elsevierViewall">Pyoderma gangrenosum &#40;PG&#41; is an inflammatory dermatosis with a wide spectrum of skin manifestations&#46; Therefore&#44; the diagnosis and treatment can be a challenge&#46; We present the case of a 78-year-old woman who underwent a total hysterectomy in 2014 at another center with subsequent torpid evolution requiring multiple interventions due to surgical wound dehiscence and abscess formation&#46; In addition&#44; she had a past medical history of ulcer formation associated with a venous puncture area&#46; In March 2019&#44; she underwent a new surgery with placement of double preperitoneal mesh and fascia lata flap for repair of the muscle-aponeurotic defect&#46; Fifteen days after surgery&#44; we were notified for assessment for surgical wound dehiscence and clinical signs of wound infection&#46; Physical examination revealed polycyclic plaques with the presence of blistering-purulent-content lesions with purple edges surrounding all the surgical scars&#46; The appearance of cutaneous lesions together with past medical history of postsurgical wounds complications suggested a postsurgical PG&#46; A skin biopsy specimen showed a dermal inflammatory infiltrate with abundant polymorphonuclear cell which supported the diagnosis of PG&#46; The patient presented with cytopenias in three cell lines related to a previously diagnosed myelodysplastic syndrome under conservative treatment&#46; Laboratory test showed an elevated ESR &#40;erythrocyte sedimentation rate&#41;&#46; Autoimmunity panel was negative&#46; Immunoglobulin count and complement level were within normal limits&#46; Serum proteinogram&#44; serologic test and microbiological studies &#40;including skin exudate culture and blood and urine cultures&#41; were normal&#46; Despite treatment with intravenous methylprednisolone 80<span class="elsevierStyleHsp" style=""></span>mg daily&#44; supportive therapy with topical treatment and systemic antibiotic therapy&#44; greater dehiscence of the surgical scars was observed&#46; Therefore&#44; cyclosporine was started at 5<span class="elsevierStyleHsp" style=""></span>mg&#47;kg&#47;day&#46; However&#44; a worsening of cutaneous ulcers was observed with clinical signs of wound infection&#46; The patient developed a septic shock and died a month and a half after surgery&#46;</p><p id="par0010" class="elsevierStylePara elsevierViewall">Pyoderma gangrenosum is a rare inflammatory neutrophilic dermatosis associated with different comorbidities&#46; There is a wide spectrum of clinical manifestations of PG making its early diagnosis a challenge&#46;<a class="elsevierStyleCrossRef" href="#bib0030"><span class="elsevierStyleSup">1</span></a> Complete evaluation is essential to identify possible underlying diseases&#46; Most frequently&#44; it is associated with hematological processes and inflammatory bowel disease&#46; A key to the diagnosis of the postsurgical form is the Pathergy phenomenon of the lesions&#44; that has been seen more frequently in patients over 65 years old&#46; This one was very striking in our patient&#46;<a class="elsevierStyleCrossRefs" href="#bib0035"><span class="elsevierStyleSup">2&#44;3</span></a> Regarding treatment&#44; drugs such as cyclosporine and systemic corticoids have been classically used&#44; especially in acute forms with greater inflammatory activity&#46; Currently&#44; cases treated with biological drugs have been reported&#44; especially with anti-TNF&#945; inhibitors and intravenous immunoglobulins&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">4</span></a> Given the therapeutic limitations&#44; high diagnostic suspicion and early treatment are the key for a better prognosis of these patients&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">5</span></a> It is essential to keep this diagnosis in mind when dehiscence and torpid evolution of postsurgical wounds are observed&#44; especially if there is a previous medical history of similar complications and&#47;or underlying diseases related to PG&#46; Further studies validating new drugs for refractory PG are required&#44; as well as adequate care for these patients in multidisciplinary units&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Funding sources</span><p id="par0015" class="elsevierStylePara elsevierViewall">None&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Conflicts of interest</span><p id="par0020" class="elsevierStylePara elsevierViewall">None declared&#46;</p></span></span>"
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ISSN: 00257753
Original language: English
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