/* Sequence of slide descriptions */
desc11 = 'Case 1 - Figure 1
The biopsy shows ballooning degeneration of the epidermis. There is a mixed inflammatory infiltrate involving the dermis and showing exocytosis. Abundant karryorhexis is present. ';
desc12 = 'Case 1 - Figure 2
High-magnification shows ballooning degeneration and inflammation of the epidermis. Several keratinocytes show intracytoplasmic viral inclusions that have a tendency to abut the nucleus. ';
desc21 = 'Case 2 - Figure 1
Scanning magnification shows massive dermal edema. ';
desc22 = 'Case 2 - Figure 2
High-power magnification shows mixed acute and chronic inflammation, numerous extravasated red blood cells, and fibrin thrombi in small vessels. ';
desc23 = 'Case 2 - Figure 3
In areas, extensive necrosis is seen. ';
desc24 = 'Case 2 - Figure 4
Gram stain shows numerous large gram-positive rods. ';
desc31 = 'Case 3 - Figure 1
There is a plaque on the left buttock, some 8x5 cm in diameter. It is not in continuity with the anal canal. ';
desc32 = 'Case 3 - Figure 2
The biopsy shows psoriasiform hyperplasia overlying markedly dilated dermal lymphatic spaces. ';
desc33 = 'Case 3 - Figure 3
The dilated lymphatic spaces contain clusters of endovascular histiocytes. ';
desc34 = 'Case 3 - Figure 4
The dilated lymphatic spaces contain clusters of endovascular histiocytes. ';
desc41 = 'Case 4 - Figure 1
There is an ulcerative and pustular lesion of the forearm with a raised, rolled lesional edge. ';
desc42 = 'Case 4 - Figure 2
There is pseudoepitheliomatous hyperplasia of the epidermis in this biopsy from the lesional edge. ';
desc43 = 'Case 4 - Figure 3
The dermis contains neutrophilic microabscesses and there is neutrophilic dermal connective tissue lysis. ';
desc44 = 'Case 4 - Figure 4
A Sweet\'s-like vascular reaction is seen around blood vessels peripheral to the zone of maximal tissue pathergy. ';
desc51 = 'Case 5 - Figure 1
There is a striking sclerodermoid tissue reaction involving the dermis characterized by widened collagen bundles arranged parallel to the long axis of the epidermis. ';
desc52 = 'Case 5 - Figure 2
There is prominent deposition of C5b-9 within the microvasculature of the skin corroborative of in vivo activation of the complement cascade sequence and hence indicative of a humorally mediated microangiopathy syndrome mediated by anti-endothelial cell antibodies. RT in situ PCR shows parvovirus B19 and TNF transcript expression in endothelia and in pervascular mononuclear cells (arrows).';
desc53 = 'Case 5 - Figure 3
A lung biopsy shows homogeneous septal expansion with associated vascular drop out. ';
desc54 = 'Case 5 - Figure 4
Direct immunofluorescent studies show granular deposition of IgG within the septal capillaries ';
desc55 = 'Case 5 - Figure 5
Nested PCR B19 specific DNA analysis revealing a positive result for the patient\'s skin and lung samples ';
desc61 = 'Case 6 - Figure 1
There is a necrotizing neutrophil rich vasculitis involving the skin. ';
desc62 = 'Case 6 - Figure 2
An open lung biopsy shows a necrotizing capillaritis ';
desc63 = 'Case 6 - Figure 3
In situ hybridization studies for CMV RNA transcript expression reveals positive staining of endothelial cells. ';
desc71 = 'Case 7 - Figure 1
There is a superficial and deep perivascular mononuclear cell infiltrate with exocytosis. ';
desc72 = 'Case 7 - Figure 2
There is a pronounced lymphocytic interface dermatitis that obscures the dermoepidermal juncttion. ';
desc73 = 'Case 7 - Figure 3
There is a pronounced lymphocytic interface dermatitis that obscures the dermoepidermal juncttion. ';
desc74 = 'Case 7 - Figure 4
Nuclear debris is present in the dermis. ';
desc75 = 'Case 7 - Figure 5
The infiltrate comprises an admixture of CD4- and CD8-expressing lymphocytes and CD68-expressing histiocytes. ';
desc76 = 'Case 7 - Figure 6
The infiltrate comprises an admixture of CD4- and CD8-expressing lymphocytes and CD68-expressing histiocytes. ';
desc81 = 'Case 8 - Figure 1
There are cord-like cutaneous lesions with plaques on the trunk. ';
desc82 = 'Case 8 - Figure 2
There is a mid- and deep-dermal perivascular and interstitial mononuclear cell infiltrate. ';
desc83 = 'Case 8 - Figure 3
There is a mid- and deep-dermal perivascular and interstitial mononuclear cell infiltrate. ';
desc84 = 'Case 8 - Figure 4
The infiltrate comprises interstitial histiocytes associated with necrosis of collagen bundles. ';
desc85 = 'Case 8 - Figure 5
The infiltrate comprises interstitial histiocytes associated with necrosis of collagen bundles. ';
desc86 = 'Case 8 - Figure 6
The infiltrate comprises interstitial histiocytes associated with necrosis of collagen bundles. ';
desc87 = 'Case 8 - Figure 7
The infiltrate comprises CD68-expressing histiocytes. ';
desc88 = 'Case 8 - Figure 8
There is IgG deposition in the dermis around collagen fibres. ';
desc91 = 'Case 9 - Figure 1
There is psoriasiform hyperplasia of the epidermis with a pattern of abrupt epidermal keratinization, pallor and necrolysis. ';
desc92 = 'Case 9 - Figure 2
There is psoriasiform hyperplasia of the epidermis with a pattern of abrupt epidermal keratinization, pallor and necrolysis. ';
desca1 = 'Case 10 - Figure 1
There are confluent nodular histiocytic infiltrates in the mid and deep reticular dermis ';
desca2 = 'Case 10 - Figure 2
There is an irregular palisading granulomatous process involving the deep dermis; granulomas include giant cells with Touton forms as well as foam cells. Cholesterol clefts completed the picture (not illustrated). ';
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function winstatus(imgnum)
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