Histologic Diagnosis of Inflammatory Skin Diseases

Images

Images 10.38.1A: Pustular dermatitis, infundibular + 10.38.1B: A hair containing hyphae in an abscess = Suppurative infundibulitis of dermatophytic cause (Majocchi’s granuloma) The hair was spewed into the dermis when an infundibul…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

“The follicular occlusion triad: (acne conglobata, hidradenitis suppurativa, and dissecting cellulitis of the scalp). These diseases comprise a generic group. Though not usually classified together, there is reason to believe that they are…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

“With the high power the hyaline is seen in very varied forms, which all show the same fuchsin red reaction. The first forms a section by itself; it comprises hyaline balls of different size, which lie free between the epithelial cells, and w…

Differential Diagnosis in Dermatopathology

Syringocystadenoma papilliferum vs. Hidradenoma papilliferum

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable telangiectases…

Dermatology Practical & Conceptual

Review of Atlas of Vulvar Pathology. 3rd ed. by EJ Wilkinson, IK Stone

The cover Figure 1. Wilkinson EJ, Stone IK. Atlas of Vulvar Pathology. 3rd ed. Philadelphia: Lippincott Williams & Wilkins, 2012. ISBN: 1451132182.274 pages. List price: $164.99. Review by Fran├žois Milette This atlas of vulvar disease (sic) is…

Differential Diagnosis in Dermatopathology

Discussions

Syringocystadenoma papilliferum and hidradenoma papilliferum are both apocrine papillated cystadenomas. Clinically, syringocystadenoma papilliferum appears at birth or in early childhood as a crusted, often weeping, verrucous plaque, usually on the…

Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable telangiectases…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

A papular and pustular inflammatory process that is centered in follicles and is distributed mostly in the middle third of the face in both vertical and horizontal directions. Among the varied manifestations of rosacea are innumerable telangiectases…