Search Results for: ballooning

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…urigo pigmentosa; soon they are accompanied by spongiosis and ballooning. 10.88.3A: Perivascular dermatitis, neutrophils predominant + 10.88.3B: Clusters of neutrophils in the epidermis and neutrophils scattered in the interstitium of the dermis = Pr…

Histologic Diagnosis of Inflammatory Skin Diseases

Irritant contact dermatitis/Phototoxic dermatitis

…trate of lymphocytes and neutrophils Slight spongiosis Slight ballooning Individual necrotic keratocytes in the epidermis Fully developed Same changes as in an early lesion plus: Prominent ballooning Intraepidermal vesicles associated with reticular…

Differential Diagnosis in Dermatopathology

Discussions

…bermann disease. In both diseases there may be spongiosis and ballooning, necrotic keratocytes disposed as solitary units, and vacuolar alteration and a sprinkling of lymphocytes along the dermoepidermal junction. In most instances, however, the attr…

Differential Diagnosis in Dermatopathology

Discussions

…ermatitis is characterized by spongiosis with little, if any, ballooning, in contrast to the situation in phototoxic dermatitis where ballooning of keratocytes is prominent and spongiosis is not. Severe ballooning in phototoxic dermatitis, accompanie…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

…s where they induce slight spongiosis (see Fig. 5.103) and/or ballooning. In that circumstance, should the algorithm selected be that of “interface dermatitis, vacuolar type,” of “spongiotic dermatitis,” or of “balloonin…

Histologic Diagnosis of Inflammatory Skin Diseases

Drug eruptions

…and interstitial; interface, vacuolar, interface, lichenoid; ballooning; spongiotic, and psoriasiform. Of these, interface dermatitis is the most common, and psoriasiform dermatitis is the least common. At times, a drug induces changes indistinguish…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

… The blister shown began in the epidermis as a consequence of ballooning that led to epidermal necrosis; on rupture, the intraepidermal blister became subepidermal, too. Neutrophils are drawn chemotactically to both necrotic surface and infundibular…

Histologic Diagnosis of Inflammatory Skin Diseases

Measles

…ate of lymphocytes Slight acanthosis Slight spongiosis Slight ballooning Few individual necrotic keratocytes in the spinous zone, especially in the vicinity of ballooning Few multinucleate epithelial giant cells in foci of spongiosis and ballooning S…