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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Churg-Strauss Granuloma and Allergic Granulomatosis?

“The occurrence of a clinical syndrome of severe asthma, fever, and hypereosinophilia, together with symptoms of vascular embarrassment in various organ systems, has been established. . . . The basic anatomical changes . . . consisted of wide…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…presumed cause or appearance morphologic, e.g., surfer’s nodule, pressure papule from prostheses, granuloma (acanthoma) fissuratum, prurigo nodularis, and picker’s nodule. Those conditions, like chondrodermatitis nodularis helicis, consis…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ured were referred to in times past as “pseudorheumatoid nodule.” In fact, they are those of granuloma annulare as evidenced by the abundant mucin in the center of some palisades of histiocytes. In short, there is rheumatoid nodule, but n…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…ranuloma annulare, necrobiotic xanthogranuloma, and rheumatoid nodule. Granuloma annulare usually disappears in time without residua clinical, whereas necrobiosis lipoidica usually resolves as an atrophic scar, and rheumatoid nodule persists as a nod…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

In this section, algorithms used to reach specific diagnosis are predicated on “nonspecific” findings recognized best at higher magnification. Other changes requisite for specific diagnoses, i.e., denominators that are essential, then ar…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Pseudomalignancies?

“The term pseudocancerosis covers a variety of diseases that can be difficult to distinguish from true carcinomas not only clinically but also histologically. However, pseudocanceroses may not only be similar to squamous cell carcinomas but a…

Histologic Diagnosis of Inflammatory Skin Diseases

Chondrodermatitis nodularis helicis

…is the aural analogue of prurigo nodularis and picker’s nodule, just as are lesions of granuloma fissuratum, surfer’s nodules, and pressure papules from prosthesis. It is not truly chondrodermatitis, anymore than hidradenitis suppurativa…

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