Search Results for: cysts

Histologic Diagnosis of Inflammatory Skin Diseases

Sweet’s syndrome

…sociated with fragments of infundibular epithelium or squames because they usually form secondary to rupture of infundibular cysts; they are not generally accompanied by striking edema of the papillary dermis. Laboratory confirmation White blood…

Review of Atlas of Vulvar Pathology. 3rd ed. by EJ Wilkinson, IK Stone

Review of Atlas of Vulvar Pathology. 3rd ed. by EJ Wilkinson, IK Stone

…tructure of the whole book is based. It includes the following categories, a chapter being devoted to each successively: (1) Cysts; (2) Maculae; (3) Papillae; (4) Papules; (5) Plaques; (6) Tumors, benign; (7) Ulcers; (8) Verrucae; (9)…

An atypical pigmented lesion

An atypical pigmented lesion

…th dermal dislocation, composed of a well-defined nodule in the middle surrounded by small nests in which multiple keratinic cysts can be identified (red arrows). Some of them are locus of dystrophic calcification (green arrows). The neoplasia is…

Differential Diagnosis in Dermatopathology

Discussions

…mors that have no distinguishing features. Not uncommonly, clinicians misinterpret both apocrine and eccrine mixed tumors as cysts and incise the lesions rather than attempt to excise them, a maneuver that often results in an artifactual cleft being…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

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…

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

…laques, papules or nodules. They can mimic other conditions such as alopecia, infections (erysipelas and paronychia), benign cysts (epidermoid or pilar), pyogenic granuloma and cutaneous malignant neoplasms (basal cell carcinoma and keratoacanthoma)…

Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

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…

Differential Diagnosis in Dermatopathology

Syringocystadenoma papilliferum vs. Hidradenoma papilliferum

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…

Non-choroidal yellow melanoma showing positive staining with Sudan Black consistent with the presence of lipofuscin: a case report

Non-choroidal yellow melanoma showing positive staining with Sudan Black consistent with the presence of lipofuscin: a case report

…ital type nevus [10]. In a study of 400 BCCs Bellucci et al. found that 10% displayed yellow structures either as milia-like cysts (7.75%) or lobular structures (4.2%) [11], also presumably due to keratin. There was no accumulation of keratin to…