background : seborrheic keratosis is a common, benign skin tumor. numerous reports have shown its possibility of malignant transformation. this study was designed to demonstrate the occurrence of concomitant seborrheic keratosis and skin cancers. methods : data was retrospectively reviewed from all patients with a diagnosis of seborrheic keratosis in pathology department of alzahra hospital and...

Medication-induced arsenical keratosis is a rare type of arsenical keratosis. We describe here a case of 70-year-old man to explore the clinical characters, diagnosis and treatment of medication-induced arsenical keratosis in order to improve the understanding of this disease and reduce the misdiagnosis rate. The clinical characters, signs, lab findings as well as progression, diagnosis and tre...

Seborrheic keratosis is a benign epithelial neoplasia that occurs mainly in the skin of the eyelids and face. We describe a case of seborrheic keratosis of the conjunctiva confirmed by histopathology. A 72-year-old man presented with a recurrent conjunctival mass involving the nasal side of his right eye. Clinically, a diagnosis of conjunctival papilloma was made, and a mass excision was perfor...

OBJECTIVE To estimate the prevalence of melanoma clinically mimicking seborrheic keratosis. DESIGN Retrospective review of cases submitted for histological examination with a clinical diagnosis of seborrheic keratosis or with a differential diagnosis that included seborrheic keratosis. SETTING A tertiary medical care center-based dermatopathology laboratory serving academic dermatology clin...

Keratosis follicularis spinulosa decalvans is a rare, X-linked disorder characterized by scarring alopecia of the scalp and eyebrows in the setting of widespread keratosis pilaris. Less frequent associations are ocular abnormalities and palmoplantar keratoderma. Acne keloidalis nuchae has previously been described in one patient with keratosis follicularis spinulosa decalvans. We report another...

Seborrheic Keratosis is a benign skin lesion which develops from the proliferation of keratinocytes of the epidermis. There are very few case reports of seborrheic keratosis occurring over the nipple and areola. Pigmented seborrheic keratosis can be easily mistaken for malignant melanoma. Its occurrence may be associated with internal malignany (Leser-Trelat sign). We report a case of pigmented...

BACKGROUND Computer-aided image analysis (CAIA) has been suggested as an effective diagnostic tool for pigmented skin lesions (PSLs), especially melanoma. However, few studies on benign PSLs have been reported. OBJECTIVE The purpose of this study was to evaluate benign PSLs with our CAIA software and analyze the differences between the parameters of those lesions. METHODS By using homegrown...

BACKGROUND Acne vulgaris has an important genetic predisposition, as well as keratosis pilaris. Clinical observations suggest that patients with keratosis pilaris have less frequent or less severe acne breakouts; however, we found no studies on this regard OBJECTIVE To determine if the presence of keratosis pilaris is associated with lower prevalence and severity of acne. METHODS A cross-se...

a case of palmoplantar hyperkeratosis with periodontosis and a history of recurrent severe pyoderma, pneumonia and multiple liver abscesses is described in a 12 year old girl. the patient demonstrated neutrophil dysfunction characterized by decreased random migration and chemotaxis and defective bactericidal activity. the exact immunopathological mechanism for susceptibility to infections in pa...