Tag Archives: mucocutaneous

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Although bacterial pyoderma is among the most commonly encountered dermatologic conditions in dogs, some cases present diagnostic challenges even to experienced clinicians. This article presents several unusual manifestations of pyoderma, including bullous impetigo, superficial spreading pyoderma, mucocutaneous pyoderma, and post-grooming furunculosis. Conditions mimicking pyoderma, including juvenile cellulitis, immunomodulatory-responsive lymphocytic-plasmacytic pododermatitis, and pemphigus foliaceus are also described. Diagnostic techniques used for diagnosing and characterizing pyoderma are also discussed.

Full article available at: http://www.vetsmall.theclinics.com/article/PIIS019556161200143X/abstract?rss=yes

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The clinical and epidemiological features of pemphigus vulgaris (PV) are well documented but there remain few reports of oesophageal involvement of PV. Although previously considered to be rare, recent reports have suggested that up to 87% of patients with PV may have symptoms, or endoscopic features, of oesophageal disease that may be poorly responsive to conventional corticosteroid-sparing immunosuppression.

The present report details the clinical and immunological features of a 53 year old Asian female who developed symptoms and signs of oesophageal PV during therapy with azathioprine and decreasing prednisolone dosage. Oesophageal involvement occurred during stable oral disease.

Oesophageal involvement can occur without significant oro-cutaneous lesions and immunological evidence of PV. This suggests that immunological targets for oesophageal disease may differ from those of other mucocutaneous areas, and that conventional first-line systemic therapy may not be effective for oesophageal lesions.

Full article available at: http://www.ingentaconnect.com/content/ubpl/wlmj/2012/00000004/00000002/art00001

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By David A. Sirois, D.M.D., Ph.D.
Department of Oral Medicine

Pemphigus vulgaris is a chronic autoimmune disease affecting the mucosa and skin and resulting in epithelial acantholysis, bullae formation, and chronic ulceration.1 Skin lesions of pemphigus vulgaris present clinically with typical bullae formation and ulceration. However, oral mucosal manifestations are less characteristic, typically occurring as multiple, chronic mucosal erosions or superficial ulcerations of various sizes and rarely presenting with intact bullae.2 Although pemphigus vulgaris is widely considered a skin disease, several reports of cases and case series have described it frequently as the initial, and occasionally the exclusive, site of involvement.2, 3 Thus, the unfamiliar features of oral pemphigus vulgaris could result in longer diagnostic and treatment delays than cutaneous pemphigus, which could adversely affect treatment response and prognosis.4, 5 The present study explored the natural history and diagnostic pattern of pemphigus vulgaris among 99 patients, with specific interest in the differences between oral and cutaneous pemphigus.