Search Results for: itch-scratch sequence

Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012

Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012

…r the next edition, should there ever be one, include a series of photos or drawings showing the phases of the hair cycle in sequence in the normal hair anatomy chapter. This seems to be a confusing concept that could be easily illustrated. I would…

Histologic Diagnosis of Inflammatory Skin Diseases

Persistent pigmented purpuric dermatitis

…sually is true in lesions longstanding of the lichenoid purpura of Gougerot and Blum. That difference doubtless reflects the sequence of events in those two variants of the same process fundamental; extravasated erythrocytes predominate early and…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma faciale

…, neutrophils and nuclear “dust” of neutrophils in conjunction with venules that house fibrin in their wall. The sequence in which inflammatory cells enter lesions of erythema elevatum diutinum and granuloma faciale is the same, namely,…

The order of things and the classification of melanoma

The order of things and the classification of melanoma

…are discovered every other week and a new, molecular-based classification is emerging. In the near future we will be able to sequence entire genomes of tumor cells. It is very likely that we will discover that every melanoma is unique on a molecular…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Reactive Perforating Collagenosis?

…f the changes seen in our two patients with Hodgkin’s disease, we suggest that perforating collagenosis is simply a consequence of intense scratching.” Pedragosa R, Knobel HJ, Huguet P, Oristrell J, Valdes M, Bosch JA. Reactive…

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XIII: The nature of evidence

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XIII: The nature of evidence

…edicine consider fact and warrant as a bundle–the fact serves as its own warrant. He gives the example that a certain pitcher may be considered the best based on a low Earned Run Average (ERA)—the fact. But, maintains Tonelli, the arguer of…

Atypical case of lichen planus recognized by dermoscopy

Atypical case of lichen planus recognized by dermoscopy

…ly established clinically based on the typical morphology and distribution of the lesions in conjunction with the associated itch. We report a patient with LP manifesting highly psoriasiform lesions, that could only be correctly assessed after the…