Search Results for: isthmic-catagen cyst

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

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Papules, nodules, and tumors that, on gross examination, are usually skin colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated with other epithelial elements of adnexa in the case of cystic hamartomas.

A Clinical Atlas of 101 Common Skin Diseases

Squamous Cell Carcinoma

A malignant neoplasm of keratinocytes that when present as a keratotic macule or papule on skin damaged badly by sunlight is referred to as solar keratosis. When present as a plaque it is termed Bowen’s disease, and when present as many…

Therapeutic Strategies in Dermatology

Hidradenitis Suppurativa: Key Points

…llae, and inframammary areas. Areas affected by HS are characteristically marked by heterogeneous skin lesions, ranging from cysts, nodules, sinus tracts, and inflamed abscesses. In rare cases, lesions of pyoderma gangrenosum can occur concurrently…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…to the dermis and is believed to form a cystic structure there, eventually cornifying and coming to resemble an infundibular cyst. Any cyst on the palms and soles that seems to be infundibular cannot be that because there are no infundibula on volar…

Therapeutic Strategies in Dermatology

Alopecia: Key Points

…usually 2-3 months following medical illness, injury, giving birth, or stress Metabolic Shift in ratio to mostly telogen and catagen hairs with premature termination of anagen follicles Spontaneous recovery over 6 months Anagen effluvium Rapid onset…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…o like that of the infundibulum of epidermis, the infundibulum and isthmus being in continuity normally. In short, cutaneous cysts, cystic hamartomas, and cystic neoplasms may display more than one type of adnexal epithelium in their lining. That is…

Dermatoscopic pattern of digital mucous cyst: report of three cases

Dermatoscopic pattern of digital mucous cyst: report of three cases

…rmoscopy with compression, with presence of bright white structures (C). (Copyright: ©2014 Salerni et al.) Discussion Mucous cysts are small cystic lesions that occur intradermally on the dorsal aspect of the interphalangeal joint and distal phalanx…

Isolated giant molluscum contagiosum mimicking epidermoid cyst

Isolated giant molluscum contagiosum mimicking epidermoid cyst

…eased linear vascularity on the periphery (Figure 2). Excisional biopsy was offered with preliminary diagnosis of epidermoid cyst and isolated giant molluscum. Histopathologically epidermal hyperkeratosis, acanthosis, widespread viral cytopathic…

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

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