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The authors describe two cases of phalangeal intraosseous epidermoid cyst. Two theories try to explain their origin. One theory sees traumatic implantation of epidermal cells as causative. A second theory is based on faulty embryogenesis.

From the eighteenth century through to the abolition of public executions in England in 1868, the touch of a freshly hanged man's hand was sought after to cure a variety of swellings, wens in particular. While the healing properties of corpse hands in general were acknowledged and experimented with in early modern medicine, the gallows cure achieved prominence during the second half of the eigh...

CONTEXT Cutaneous epidermal cysts are common lesions, but fortunately, malignant transformation of their epithelium is rare. There are few case reports in the literature concerning malignant transformation of an epidermal cyst into squamous cell carcinoma. We present a case of squamous cell carcinoma arising from an epidermal inclusion cyst and describe the clinical and histopathologic findings...

In this paper we describe the basic process of lens regeneration in adult newt and we pinpoint several issues in order to obtain a comprehensive understanding of this ability, which is restricted to only a few salamanders. The process is characterized by dynamic changes in the organization of the extracellular matrix in the eye, re-entering of the cell cycle and dedifferentiation of the dorsal ...

background: pericoronal tissue is the soft tissue located between the bony crypt and the impacted tooth, which is histologically composed of fi brous connective tissue and is usually lined by the reduced enamel epithelium. increased epithelial cell proliferation in the pericoronal tissue is associated with pathological changes such as development of an odontogenic cyst or an epithelial odontoge...

............................................................................................ ii CHAPTER I. GENERAL INTRODUCTION...................................................... 1 Dissertation organization.......................................................................................................................................................

Electrophoretically homogeneous keratin A and keratin B were studied in the ultracentrifuge. Both preparations revealed two fractions: one which sedimented rapidly and another which sedimented slowly. This indicated that both preparations are heterogeneous with respect to particle size.