Skin Histology

The Stain That Would Settle It

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Reactive perforating collagenosis and Morgellons comparison showing a mapped RPC tissue route beside an unmapped Morgellons route

Research criticism · Dermatopathology · Morgellons

Reactive Perforating Collagenosis and Morgellons share plug and collagen observations but diverge on anatomy and symptoms. An intact, elastic-stained lesion could distinguish their tissue routes.

Acquired perforating dermatosis Morgellons fibers Tissue architecture

In reactive perforating collagenosis, damaged collagen can be pushed out through skin—and a pathologist can see that route under the microscope. Some Morgellons lesions are described as cratered or plug-centered. Middelveen has sectioned attached callus material and reported follicular casts and comedo-like masses. Those observations justify testing whether some lesions fit the RPC or acquired perforating dermatosis pattern. They do not already establish that diagnosis.

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Beneath the Surface: What Morgellons Histology Shows—and What It Doesn’t

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Morgellons disease is usually discussed as a disease of fibers. Under the microscope, however, the more difficult questions concern the skin producing, surrounding, or containing those structures. Published reports describe altered epidermal architecture, abnormal hairs and filaments, comedo-like masses, and thickened follicular casts. None of this proves why Morgellons patients experience stinging, pressure, crawling, or the persistent sensation that something must be removed from the skin. It does raise a question that dermatology has barely studied: what was present at the site before the patient began manipulating it?

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