Histologic Diagnosis of Inflammatory Skin Diseases

Errors and Reasons

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

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in infundibula and sebaceous lobules = Eosinophilic pustular folliculitis Because eosinophils are more conspicuous than neutrophils in this condition, it has been termed “eosinophilic pustular folliculitis.” It seems, however, to be a su…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…tis (Fig. 5.6E) Subepidermal vesicular dermatitis (Fig. 5.6F) Folliculitis and perifolliculitis (Fig. 5.6G) Fibrosing dermatitis (Fig. 5.6H) Panniculitis (Fig. 5.6I) Figure 5.6 A. Superficial perivascular dermatitis. B. Superficial and deep periv…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…ctive perforating collagenosis occur in so-called perforating folliculitis of renal dialysis. In short, what fundamentally is a suppurative infundibulitis in patients on hemodialysis is complicated by findings histopathologic of reactive perforating…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…rough the “soft” outer sheath and to initiate perifolliculitis, which, in turn, leads in time to permanent alopecia. In brief, the absence of an inner sheath as a result of premature desquamation of it is reputed to be the basis for so-ca…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…tween lesions of erosive pustular dermatosis of the scalp and folliculitis decalvans, but in the latter condition erosion is not a typical feature. Moreover, male patients have been described with erosive pustular dermatosis of the scalp on sites aff…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudopelade?

“In October, 1888, we presented a review of folliculitis and perifolliculitis decalvans at the Soci?t? m?dicale des h?pitaux, and, at this moment, we have nothing to add; there are three principal clinical types related in some way to one ano…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…f a fissure in a lesion of psoriasis. Figure 3.16 Fissure. FOLLICULITIS/PERIFOLLICULITIS: An inflammatory disease in which the infiltrate of inflammatory cells is present either in or around follicular epithelium, that is, epithelium of the isthmu…