Search Results for: hyperkeratosis

Differential Diagnosis in Dermatopathology

Discussions

…cosus and acanthosis nigricans are processes that affect the papillary dermis and the epidermis. Both conditions may display hyperkeratosis, epidermal hyperpigmentation, papillomatosis, melanophages, and an increased number of fibrocytes in a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Chondrodermatitis Nodularis Helicis?

…eratosis surface epidermal hyperplasia, and marked hyperplasia of infundibular epidermis associated with hypergranulosis and hyperkeratosis of infundibula. When animated scratching or analogous trauma supervenes, an erosion or ulceration develops,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cutaneous Horn?

…icate whether the keratosis is a verruca, a seborrheic keratosis, or a solar keratosis (or an acrokeratosis verruciformis, a hyperkeratosis lenticularis, a keratoacanthoma). Squamous papilloma describes the appearance histopathologic of any digitate…

Isolated giant molluscum contagiosum mimicking epidermoid cyst

Isolated giant molluscum contagiosum mimicking epidermoid cyst

…biopsy was offered with preliminary diagnosis of epidermoid cyst and isolated giant molluscum. Histopathologically epidermal hyperkeratosis, acanthosis, widespread viral cytopathic effect and intracytoplasmic inclusion bodies were seen (Figure 3)….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Discoid Lupus Erythematosus versus Systemic Lupus Erythematosus? II

…ociated with mild systemic illness. Weedon D. Skin Pathology. 2nd ed. London: Churchill Livingstone. 2004:47. “Nailbed hyperkeratosis may be observed in both SLE and discoid lupus erythematosus (DLE).” Richert B, Andre J, Bourguignon R,…

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

…ic resemblance to lichen planus by virtue of epidermal hyperplasia, a sawtooth pattern of rete ridges, wedge-shaped zones of hyperkeratosis, orthokeratosis, vacuolar changes at the dermo-epidermal junction, individual necrotic keratocytes, and a…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…air = Suppurative infundibulitis of bacterial cause Because this lesion is domed and infundibula display hypergranulosis and hyperkeratosis, it must have been rubbed persistently and forcefully, probably because of effects pruritogenic on nerves of…

Differential Diagnosis in Dermatopathology

Discussions

…osis.” That latter pattern is analogous to other distinctive patterns of epithelium in the skin, such as epidermolytic hyperkeratosis, focal acantholytic dyskeratosis, cornoid lamellation, and epithelial (follicular) mucinosis. When pale-cell…

Pityriasis rubra pilaris-like eruption following insulin therapy initiation

Pityriasis rubra pilaris-like eruption following insulin therapy initiation

…yright: ©2016 Badri et al.] Histopathology A skin biopsy was performed, and histopathological examination revealed irregular hyperkeratosis with orthokeratosis and parakeratosis in addition to dilated hair follicles and keratinous plugs (Figure 3)….