Search Results for: spongiosis

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

…are made up of nodular infiltrates, the exemplar being those of nodular scabies. Papulovesicles result from the addition of spongiosis so great in the center of the lesion that it eventuates in a vesicle. Spongiotic vesicles may be so distended…

Histologic Diagnosis of Inflammatory Skin Diseases

Bullous pemphigoid

…ma in the upper part of the dermis, but also from a perivascular and interstitial infiltrate of eosinophils and lymphocytes. Spongiosis sometimes contributes to elevation of the lesion. Vesicles and bullae are blisters that have formed beneath the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apocrine Miliaria?

…ibula at the locus where an apocrine duct enters that part of the epidermis. A few lymphocytes are sprinkled in the focus of spongiosis. It is this involvement by spongiosis of an apocrine duct at its juncture with an infundibulum that has earned…

Histologic Diagnosis of Inflammatory Skin Diseases

Photoallergic dermatitis

…nicopathologic Papules consist of perivascular infiltrates of inflammatory cells, edema of the papillary dermis, and foci of spongiosis; blisters are expressions of spongiotic vesiculation. Differential diagnosis histopathologic Phototoxic…

Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

…ror: Eosinophilic cellulitis, eosinophilic fasciitis, eosinophilic folliculitis, eosinophilic panniculitis, and eosinophilic spongiosis describe accurately those pathologic processes. Reason: The cellulitis, fasciitis, folliculitis, panniculitis,…

Histologic Diagnosis of Inflammatory Skin Diseases

Limitations of the Algorithmic Method

…dermoepidermal junction in conjunction with vacuolar alteration, the pattern is “interface dermatitis,” and the spongiosis and/or ballooning is understood to be a finding additional and expected. It should be recognized, too, that…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…n allergic contact dermatitis, photoallergic dermatitis, nummular dermatitis, and an “id” reaction, by virtue of spongiosis only. The situation here is different, namely, in addition to the predominant spongiosis, there also is…

Histologic Diagnosis of Inflammatory Skin Diseases

Miliaria rubra

…n acrosyringium is sprinkling of neutrophils in the interstitium of a superficial mixed-cell infiltrate that reposes beneath spongiosis in an epidermis. Even then, unless spongiosis is present in at least one acrosyringium, it is impossible to make…