Specimen Types

Dermatopathology 102

In the previous Blog “Dermatopathology 101”, a clear outline of material was provided which ensured the skin’s histology presentation as an organ in the final microscope slide. We discussed basic skin histology, and important aspects of embedding and microtomy.

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Dermatology 101

Dermatopathology is a subject heading in pathology all unto itself. The intrinsic nature of dermatopathology specimens received in a laboratory necessitates a clear understanding of the material due to importance of the skin’s histology presentation as an organ. The goal of the histologist in the preparation of dermatopathology slides is to ensure that the entire area of skin which may contain pathology is represented in the final microscope slide.

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Skin Cancer

In order to successfully prepare slides of skin specimens, the histologist must understand basic skin histology.

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Bone Specimens

Bone is a dynamic, living tissue. New bone is made by osteoblasts located on the surface of newly formed bone. The most recent material is not mineralized and is referred to as the osteoid seam. This material is mineralized later to form mature bone. Osteoclasts are also located on the bone surface. These are large, multinucleated cells responsible for “eating up” mature bone to release calcium into the blood stream. If the balance between these two bone cell types is disturbed, disease may result. Osteoporosis is a disease where the osteoclast activity outpaces the osteoblast activity; weak, porotic bones prone to breakage, can result (Figure 2).

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Neuropathology is a histology specialty unto itself. Most hospitals and healthcare facilities will refer patients to a neuropathology center

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Prostate Histology

Whether you work in a hospital laboratory or a private reference laboratory, you probably receive specimens of prostate gland.

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