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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

-oid?

…s lipomatosus, or melanocytic nevus, to mention but a few. Or like the cells of a melanocytic nevus, so-called nevus cells that really are abnormal melanocytes. If the word nevus is abstruse, then nevoid (or nevic) is opaque. And what of the words &#…

Differential Diagnosis in Dermatopathology

Discussions

…as a consequence of the effects of lymphocytes on neoplastic melanocytes. As must be apparent, lichen planus-like keratosis is not a specific neoplasm unto itself; it is a solar lentigo en route to becoming a reticulated seborrheic keratosis that, a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eczema?

“Eczema is that which looks like eczema.” Hebra F. Kaposi M. Lehrbuch der Hautkrankheiten. Bd, 2. Aufl. Erlangen: Enke, 1874:403-93. “In Anglo-American usage, the term dermatitis is being used increasingly for all these conditi…

Histologic Diagnosis of Inflammatory Skin Diseases

Gout

…tinucleate, surround pale granular basophilic material Needle-like spaces in radial arrangement in the zone of basophilic material, they representing outlines of urate crystals that were dissolved during processing of the specimen Yellow-brown crysta…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…matory disease, not a neoplastic or hyperplastic vascular one like Kaposi’s sarcoma with which it sometimes is confused; extravasated erythrocytes and siderophages lack specificity. 10.20.2A: Nodular dermatitis, granulomatous + 10.20….

Dermatology Practical & Conceptual

Nodules on the right ear

…3). The histiocyte’s cytoplasm contained rounded yeast-like hyaline cells with a thick double birefringent membrane. These cells were forming chains of multiple organisms. The Grocott-Gomori methenamine-silver nitrate stain allowed better visu…

Histologic Diagnosis of Inflammatory Skin Diseases

Nephrogenic fibrosing dermopathy

…roteinemia Findings histopathologic Fully developed Morphea-like pattern when viewed at scanning magnification Widened septa and constricted lobules in the subcutaneous fat Interstitial infiltrate of fibrocytes throughout the dermis and in septa of…

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