← All decks

Dermatology

Adnexal Neoplasms

Built from Dermatology, 5th Edition

The first 25 slides of Adnexal Neoplasms
The first 25 slides, exactly as they appear. The full deck has 148 content slides.

What’s inside

8 sections · 148 slides

  1. 01

    Overview

    • What is an adnexal neoplasm
    • Key features of this chapter
    • How the glands develop together
    • Folliculosebaceous-apocrine unit and eccrine gland
    • Three clues used to classify a tumor
    • Recognising differentiation under the microscope

    6 slides

  2. 02

    Follicular hamartomas

    Hair follicle nevus, trichofolliculoma, fibrofolliculoma, nevus sebaceus, mixed tumor

    • Follicular hamartomas as a group
    • Hair follicle nevus
    • Trichofolliculoma
    • Trichofolliculoma: wispy hairs from a central pore
    • Trichofolliculoma: radiating follicles around a central cyst
    • Trichofolliculoma - related hamartoma variants
    • Fibrofolliculoma, perifollicular fibroma, trichodiscoma
    • Birt-Hogg-Dube syndrome
    • Fibrofolliculomas in Birt-Hogg-Dube syndrome - clinical and histology
    • Guidelines for diagnosis and evaluation of Birt-Hogg-Dube syndrome
    • Guidelines for diagnosis and evaluation of Birt-Hogg-Dube syndrome (continued)
    • Guidelines for diagnosis and evaluation of Birt-Hogg-Dube syndrome (continued)
    • Facial papules in inherited syndromes - Gardner and Down syndrome
    • Fibrofolliculomas of the lateral cheek in Birt-Hogg-Dube syndrome
    • Widespread fibrofolliculomas of the head and neck
    • Fibrofolliculoma papules of the face
    • Fibrofolliculoma - pathology and treatment
    • Nevus sebaceus
    • Nevus sebaceus: linear scalp plaque
    • Nevus sebaceus - the genetics
    • Secondary tumors that grow within nevus sebaceus
    • Syringocystadenoma papilliferum arising in nevus sebaceus
    • Nevus sebaceus - epidermal and sebaceous-gland changes on histology
    • Nevus sebaceus of the scalp with surrounding alopecia
    • Nevus sebaceus - treatment
    • Mixed tumor (chondroid syringoma)
    • Mixed tumor: exophytic nodule on the lip
    • Mixed tumor with apocrine ('decapitation') differentiation
    • Mixed tumor with eccrine-type ductal differentiation
    • Mixed tumor - treatment

    30 slides

  3. 03

    Follicular germinative and matrical tumors

    Trichoepithelioma, trichoblastoma, and pilomatricoma - benign forms and their carcinomas

    • Trichoepithelioma and trichoblastoma - naming
    • Trichoepithelioma - clinical features
    • Multiple familial trichoepitheliomas of the midface
    • Trichoepithelioma/trichoblastoma - pathology
    • Trichoepithelioma: follicular germinative cell clusters
    • Trichoepithelioma/trichoblastoma - treatment
    • Desmoplastic trichoepithelioma
    • Desmoplastic trichoepithelioma: basaloid cords in sclerotic stroma
    • Pilomatricoma
    • Pilomatricoma - clinical features
    • Pilomatricoma in two children
    • Pilomatricoma: firm papule on a child's cheek
    • Pilomatricoma - pathology
    • Pilomatricoma: matrical cells transitioning to shadow cells
    • Pilomatricoma - treatment, and pilomatrical carcinoma

    15 slides

  4. 04

    Tricholemmal and superficial follicular tumors

    Tricholemmoma, tumor of follicular infundibulum, trichoadenoma, proliferating pilar tumor

    • Tricholemmoma
    • Tricholemmoma - Cowden syndrome
    • Tricholemmoma: pale outer-sheath cells attached to the epidermis
    • Tricholemmoma - pathology and treatment
    • Tricholemmal carcinoma
    • Tumor of follicular infundibulum
    • Tumor of follicular infundibulum: clinical and pathology
    • Tumor of follicular infundibulum: hypopigmented papules mimicking fibrofolliculoma
    • Tumor of follicular infundibulum - treatment
    • Trichoadenoma
    • Trichoadenoma: keratin-filled cysts in sclerotic stroma
    • Proliferating pilar tumor
    • Proliferating pilar tumor: solid and cystic keratinizing patterns
    • Proliferating pilar tumor - pathology and treatment

    14 slides

  5. 05

    Sebaceous differentiation

    Sebaceous hyperplasia, adenoma, sebaceoma, and sebaceous carcinoma

    • Sebaceous gland hyperplasia
    • Sebaceous hyperplasia: yellow papules with central dell
    • Widespread sebaceous hyperplasia in a patient on long-term cyclosporine
    • Sebaceous hyperplasia - treatment
    • Sebaceous adenoma, sebaceoma, and terminology
    • Muir-Torre syndrome
    • Sebaceous adenoma (sebaceoma): seboblasts and mature sebocytes
    • Sebaceous adenoma of the nose in Muir-Torre syndrome
    • Sebaceous adenoma - treatment
    • Sebaceous carcinoma
    • Sebaceous carcinoma: atypical nuclei and necrotic cells
    • Sebaceous carcinoma - pathology and treatment

    12 slides

  6. 06

    Apocrine (or eccrine) differentiation

    Syringoma, poroma, hidradenoma, spiradenoma, cylindroma, and their carcinomas

    • Why apocrine vs eccrine is so hard to call
    • Syringoma
    • Syringomas: periorbital and truncal patterns
    • Vulvar syringomas with surrounding pigmentation
    • Syringoma - pathology and treatment
    • Syringoma: comma-shaped nests with central ducts
    • Poroma
    • Poroma: eroded vascular plaques
    • Poroma requiring biopsy for diagnosis
    • Poroma: eroded red plaque on the sole
    • Poroma - genetics and growth pattern
    • Poroma, juxta-epidermal pattern: poroid cords in a vascular stroma
    • Poroma, intradermal pattern: ductal differentiation and central necrosis
    • Poroma - a diagnostic quirk, and treatment
    • Hidradenoma
    • Hidradenoma: solid-cystic nodule with pale, clear-celled cytoplasm
    • Hidradenoma - pathology and treatment
    • Apocrine adenoma group
    • Syringocystadenoma papilliferum
    • Syringocystadenoma papilliferum: crusted grouped nodules
    • Syringocystadenoma papilliferum: papillary fronds with a plasma-cell infiltrate
    • Hidradenoma papilliferum
    • Hidradenoma papilliferum: arborizing glandular and papillary structures
    • Spiradenoma and cylindroma - a related pair
    • Spiradenoma
    • Spiradenoma: trabecular nodules with basaloid cells
    • Cylindroma
    • Cylindromas: scalp nodules
    • Cylindroma: jigsaw-puzzle nests rimmed by basement membrane
    • Cylindroma: basaloid nests with basement-membrane material
    • Spiradenoma and cylindroma - treatment
    • Carcinomas of apocrine lineage - naming rules
    • Microcystic adnexal carcinoma
    • Microcystic adnexal carcinoma: subtle expanding plaque
    • Microcystic adnexal carcinoma: ductal and follicular differentiation
    • Microcystic adnexal carcinoma - pathology
    • Porocarcinoma
    • Porocarcinoma: rapid growth and erosion
    • Porocarcinoma: infiltrating nests with ductal differentiation
    • More apocrine-lineage carcinomas
    • Adenoid cystic and cribriform carcinomas
    • Mucinous and secretory carcinomas
    • Adnexal carcinomas - overall treatment

    43 slides

  7. 07

    Eccrine differentiation

    Eccrine nevus, porokeratotic eccrine nevus, syringofibroadenoma, digital papillary tumors

    • Eccrine nevus (hamartoma)
    • Porokeratotic eccrine ostial and dermal duct nevus
    • Porokeratotic eccrine ostial and dermal duct nevus
    • Porokeratotic eccrine nevus: linear palm plaques with keratotic spines
    • Syringofibroadenoma
    • Papillary adenoma and adenocarcinoma of the digit
    • Papillary adenocarcinoma of the digit: cystic tubular and papillary areas
    • Papillary adenoma/adenocarcinoma - treatment

    8 slides

  8. 08

    Summary and references

    Key classification takeaways, syndromes to remember, and the chapter's reference list

    • The four differentiation groups, at a glance
    • Syndromes to remember
    • Clues that should raise concern for malignancy
    • Take-home points
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • References
    • Dermatology, 5th Edition (2-Volume Set)

    20 slides