Pyoderma vegetans of the posterior area of the neck: case presentation

Vol. 56 No. 2 Suppl., 2015
This supplement was not sponsored by Outside Organizations.


Cristian Mesina, Ion Vasile, Stelian Stefanita Mogoanta, Marius Eugen Ciurea, Horia Parvanescu, Theodor Viorel Dumitrescu, Claudia Valentina Georgescu, Daniela Ciobanu

Pyoderma vegetans is a rare disease characterized by the presence of vegetant exudative, pustular and erythematous vesiculobullous plaque usually located in the inguinal area and axillary fold. Etiology of pyoderma vegetans is unknown but it is often associated with bacterial infections in immunocompromised patients. Main histopathological characteristics of pyoderma crops are pseudoepitheliomatous hyperplasia and subepidermal, intraepidermal neutrophilic or eosinophilic microabscesses. It is well known that these lesions are commonly associated with colonic inflammatory disease such as ulcerative colitis and Crohn s disease. Not available standard treatment for pyoderma vegetans, although the use of antibiotic therapy was often used with variable results. Standard first-line therapy is the systemic steroids yet. We perform excision of the lesion of the posterior area of the neck with application of the free split-thickness skin graft after 48 hours postoperatively. In this paper, we present a case of pyoderma vegetans with unusual location without associating colonic lesions and a review of literature related to therapeutic and diagnostic problems of this disease.

Corresponding author: Cristian Mesina, Assistant Professor, MD, PhD; e-mail:

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Horia Ples, David Kimball, Gratian Dragoslav Miclaus, Nicoleta Iacob, Heather Kimball, Petru Matusz, R. Shane Tubbs, Marios Loukas

Cerebral artery fenestrations are usually detected incidentally during angiography, have a reported incidence ranging from of 0.03% to 1%, and rarely cause neurological symptoms. They can, however, be associated with aneurysmal dilatation at the proximal or distal end of the fenestration, cerebral arteriovenous malformations, or (rarely) ischemic symptoms. We present a case of a 54-year-old obese woman who presented with a large convex-lens-like fenestration of the right middle cerebral artery (MCA) at the M1 segment (distal to the origin of the temporopolar artery) associated with a transient ischemic attack. The MCA fenestration caused a local change in hemodynamic blood flow, which leads to cerebral ischemia. Magnetic resonance angiography (MRA) also revealed an associated small slit-like fenestration of the basilar artery (BA), hypoplasia of the A1 segment of the right anterior cerebral artery, bilateral fetal posterior cerebral arteries, and bilateral absence of the posterior communicating arteries. To our knowledge, this is the sixth reported case of MCA fenestration with an associated ischemic attack. In our case, fenestrations of the MCA, the BA, and hypoplasia of the A1 segment of ACA were not associated with any aneurysms.

Corresponding author: Petru Matusz, Professor, MD, PhD; e-mail:

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