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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…t or in postnatal humans. The epithelial adnexa are folliculo-sebaceous-apocrine units on one hand and eccrine units on the other; the nonepithelial adnexa are smooth muscles, nerves, and blood vessels. Each of those normal adnexal structures has its…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mammary and Extramammary Paget’s Disease?

…erent diseases characterized by cells of an adenocarcinoma of apocrine character disposed as solitary units and in collections within an epidermis. Mammary Paget’s disease and sebaceous carcinoma on an eyelid are analogues because neoplastic ce…

Dermatology Practical & Conceptual

When all you have is a dermatoscope‚ÄĒstart looking at the nails

…traumatic injuries, or artificial discolorations of the nail unit may less frequently cause non-continuous nail alterations. Many systemic diseases that may also show involvement of the nails (e.g., psoriasis, atopic dermatitis, lichen planus, alope…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Basal-Cell Carcinoma Common in Nevus Sebaceus?

…0 weeks, form a mass crescentic that eventuates in the entire infundibulo-spocrine-sebaceous follicular unit. Not surprisingly, abundant stroma resembles that of embryonic perifollicular sheath. In contrast, basal-cell carcinoma which consists of tri…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…adnexal neoplasms, i.e., whether they derive from follicles, sebaceous units, apocrine units, eccrine units, muscles, nerves, or vessels (blood or lymphatic); only the direction of differentiation can be inferred. On the basis of study of findings h…

Histologic Diagnosis of Inflammatory Skin Diseases

Suggested Readings

…tion. Philadelphia: Lea & Febiger, 1994. Wheatley VR. The sebaceous glands. In: Jarrett A, ed. The Physiology and Pathophysiology of the Skin. London: Academic Press, 1986;9:2705-2971. Apocrine Units Groscurth P. Anatomy of sweat glands. Curr Pro…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…cysts is like that of adnexal epithelium, namely, follicular, sebaceous, and apocrine. For that reason, we name cutaneous cysts according to the normal epithelial structure of adnexa which the lining of the cyst resembles most closely. In contrast to…

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