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Case 30 Clinical information supplied  25 year old male patient with Crohn’s disease for 4 years.  Six week history of oral ulceration with cobblestoning.

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Presentation on theme: "Case 30 Clinical information supplied  25 year old male patient with Crohn’s disease for 4 years.  Six week history of oral ulceration with cobblestoning."— Presentation transcript:

1 Case 30 Clinical information supplied  25 year old male patient with Crohn’s disease for 4 years.  Six week history of oral ulceration with cobblestoning of oral mucosa and pustules (confluent ) on the lips.  Associated with confluent pustular vegetative plaque which is mildly exudative in the groin bilaterally and perineum.  Nil axillary  History of eye inflammation.  Increased eosinophils on FBC. Recently on Infliximab until 8/52

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5 Ancillary investigations  PAS – neg  IMF - neg

6 Pyostomatitis vegetans  Admitted to dermatology ward  Oral steroids and steroid mouth wash  Improved  Had a similar flare  Crohn’s symptoms deteriorating until started steroids  ? Need to review Crohn’s treatment  Currently on mesalazine  Adalumimab and AZA failed

7 Pyostomatits vegetans  Pyodermatitis-pyostomatitis vegetans is a rare but characteristic pustular eruption of the mouth and skin folds consistently associated with inflammatory bowel diseases such as ulcerative colitis and Crohn’s  The skin disease is pyodermatitis vegetans and the mucosal disease is pyostomatitis vegetans.

8 Pyostomatitis vegetans  The inflammatory bowel disease usually precedes the development of the skin and/or mouth problem by months or years. Sometimes however the bowel problem is only diagnosed when it is looked for after the skin/mouth diagnosis.  Age group years.  It is more common in males than females (3:1).

9 Pyostomatitis vegetans  The typical features of pyodermatitis vegetans include:  redness  pustules  crusting  large raised (vegetating) plaques  Brown post-inflammatory pigmentation is prominent.  In the mouth, pyostomatitis vegetans consists of redness with multiple yellow or white pustules. The pustules (microabscesses) easily rupture, to form superficial ulcers (erosions) which have been likened to snail trails.  Signs in the lining of the mouth in pyostomatitis vegetans include:  swelling and thickening  cobblestoned appearance  raised growths (vegetations)

10 Pyostomatitis vegetans  On routine pathology, pustules (microabscesses) either within or just below the epidermis will be seen, typically with many eosinophils (early lesions) and/or neutrophils (late lesions). Granulomas do not occur. Direct immunofluoresence is negative or only weakly positive. On routine pathology, pustules (microabscesses) either within or just below the epidermis will be seen, typically with many eosinophils (early lesions) and/or neutrophils (late lesions). Granulomas do not occur. Direct immunofluoresence is negative or only weakly positive.  On blood tests, indirect immunofluorescence is negative, i.e., there are no skin antibodies circulating. The blood count almost always reveals an increased number of eosinophils. Liver abnormalities have been reported so these should also be tested for routinely.  The diagnosis of pyodermatitis-pyostomatitis vegetans is therefore made on the combination of:  clinical presentation  histological features  negative direct and indirect immunofluorescence  eosinophilia on blood test  exclusion of infection.

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