Search Results for: vitiligo

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Langerhans’ Cell Granulomatosis?

…medical colleagues, it was deprecated by others. In 1961 Birbeck et al. found by use of electron microscopy in patients with vitiligo, pentalaminar organelles in the cytoplasm of epidermal Langerhans’ cells (J Invest Dermatol 37:51). In 1965…

Differential Diagnosis in Dermatopathology


…niversalis. The more widespread the condition and the longer the duration of it, the worse the prognosis for return of hair. Vitiligo and pitting of nails may be concurrent with alopecia areata and especially the more extensive variants of it….

Differential Diagnosis in Dermatopathology

Alopecia areata vs. Trichotillomania

An inflammatory process that is idiopathic and results in depigmentation of the skin consequent to loss of melanocytes from the epidermis, and in whitening of hair that follows loss of melanocytes from the bulb of follicles.

Histologic Diagnosis of Inflammatory Skin Diseases

Post-inflammatory pigmentary alteration

…erential diagnosis clinical Argyria is associated with a bluish cast. Hemochromatosis affects the skin in universal fashion. Vitiligo and disorders of depigmentation may be so extensive that they may defy determination clinical about whether the…

Histologic Diagnosis of Inflammatory Skin Diseases

Tinea versicolor

…defined hypopigmented patches on the face especially, but also on the extensor aspect of the arms, particularly in children. Vitiligo consists of depigmented macules and patches devoid of scales. Findings histopathologic Fully developed Sparse…

Histologic Diagnosis of Inflammatory Skin Diseases

Study By Disease

…ed (Quiz #92) Verrucae vulgares (Quiz #704) Viral exanthem (Quiz #760) Viral exanthem (Quiz #821) Viral exanthem (Quiz #822) Vitiligo (Quiz #502) Wegener’s granulomatosis (Quiz #890) X-linked ichthyosis (Quiz #501) Xanthogranuloma (Quiz #106)…