Search Results for: keratosis

Therapeutic Strategies in Dermatology

Atopic Dermatitis: Initial Evaluation

…e’s sign. Hypopigmented patches with subtle scale in atopic dermatitis, also known as pityriasis alba. Fissuring is common in the retroauricular fold. Bacterial superinfection (seen as crusting) within fissures is a common complication. Keratosis

Therapeutic Strategies in Dermatology

Actinic Keratosis (a.k.a. Solar Keratosis): Clinical Cases

Clinical Cases Case 1 Few lesions of actinic keratosis 72-year-old woman presents with a 3-month history of several new lesions on the dorsal hands She reports increasing scale and crusting of the lesions, noting that the crusting sloughs…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…ns became confluent, retiform and linear patterns came into being. When studied by microscopy, the lesions showed focal orthokeratosis, parakeratosis, hypergranulosis, epidermal atrophy, a bandlike infiltrate of lymphocytes and histiocytes, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

…tes of lymphocytes or, more compellingly, presenting itself uncompromised at the periphery of the lesion. Lichen planus-like keratosis, like solar keratosis, invariably occurs on skin damaged badly by sunlight as evidenced by copious quantities of…

Lichenoid keratosis: non-invasive imaging in the setting of diagnostic uncertainty

Lichenoid keratosis: non-invasive imaging in the setting of diagnostic uncertainty

…borrheic keratosis, including focal areas of acanthosis, invaginations and elongation of the rete ridges in addition to hyperkeratosis and parakeratosis in the stratum corneum. Additionally, a few proliferations of sharply demarcated intraepithelial…

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

…semblance 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…all lesions [of tricholemmoma] where intermediate cells may predominate, differentiation from so-called irritated seborrheic keratosis (inverted follicular keratosis) may be difficult.” Headington JT. Tumors of hair follicle differentiation….

Histologic Diagnosis of Inflammatory Skin Diseases

Keratosis pilaris/Lichen spinulosus

…detection of a case with unilateral lesions. Pediatr Dermatol 1998;15(4):285–6. Poskitt L, Wilkinson JD. Natural history of keratosis pilaris. Br J Dermatol 1994;130:711–13. Unna PG. Keratosis suprafollicullaris (alba et rubra). In: The…