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Figure 138.1
Trichofolliculoma. A large central follicular structure from which immature follicular structures radiate.
Figure 138.5
Lymphadenoma. Nests and lobules of epithelial cells with prominent infiltration by lymphocytes.
Figure 138.9
Sebaceous adenoma. Small yellowish papule.
Figure 138.13
Syringocystadenoma papilliferum. Papillary projections with a fibrovascular stroma.
Figure 138.17
Poroma. Note the clear demarcation between the tumour and the neighbouring epidermis.
Figure 138.21
Eruptive syringomas. Multiple tiny brownish or red lesions are often seen on the trunk and limbs.
Figure 138.25
Eccrine spiradenoma. Ductal structures and intermixed pale and dark cells.
Figure 138.29
Mucinous carcinoma. Nests of tumour cells surrounded by pools of mucin.
Figure 138.33
Extramammary Paget disease of the vulva showing inflamed eczematous presentation.
Figure 138.2
Typical example of a trichofolliculoma with a small tuft of hairs in the centre.
Figure 138.6
Pilomatricoma. Lobules of basaloid cells intermixed with pale pink areas containing ghost cells (arrow).
Figure 138.10
Sebaceous carcinoma. Ulcerated yellowish lesion of the eyelid.
Figure 138.14
Syringocystadenoma papilliferum. Papular lesion with superficial erosion.
Figure 138.18
Poroma. Note the red shiny surface, which often leads to misdiagnosis of a pyogenic granuloma.
Figure 138.22
Hidradenoma. Red‐brown irregular papule.
Figure 138.26
Eccrine spiradenoma. Extensive haemorrhage with or without ischaemic necrosis may result in rapid clinical growth. Only small areas of residual spirad...
Figure 138.30
Pathology of Paget disease of the breast: note colonization of the epidermis with large pleomorphic cells.
Figure 138.3
Trichoepithelioma. A lobular basaloid tumour with induction of stroma and immature follicular differentiation.
Figure 138.7
Pilomatricoma. Small red firm papule.
Figure 138.11
Apocrine hidrocystoma. Cystic cavity lined by cuboidal cells with pink cytoplasm and decapitation secretion.
Figure 138.15
Hidradenoma papilliferum. Well‐circumscribed tumour with glands and papillary projections displaying apocrine differentiation.
Figure 138.19
Syringoma. Typical ductal structures with a tadpole appearance.
Figure 138.23
Cylindroma. Classical jigsaw‐puzzle architecture with tumour lobules displaying a thick basal membrane.
Figure 138.27
Apocrine mixed tumour. Notice the apocrine glands with a surrounding myxoid/hyalinized stroma with fatty metaplasia.
Figure 138.31
Paget disease of the nipple. Distant clinical view showing unilateral lesion.
Figure 138.4
Multiple trichoepitheliomas on the central face.
Figure 138.8
Sebaceous adenoma. Lobular lesion with prominent maturation in the centre and immature cells in the periphery.
Figure 138.12
Apocrine hidrocystoma. Cystic translucent papule on the right inner canthus.
Figure 138.16
Apocrine carcinoma. Prominent glands with decapitation secretion. Note the epidermotropism.
Figure 138.20
Multiple syringomas on the upper cheek area.
Figure 138.24
Cylindroma. Two large tumours on the head of an elderly woman.
Figure 138.28
Microcystic adnexal carcinoma. Strands and small nests of bland epithelial cells with an infiltrative growth pattern.
Figure 138.32
Paget disease of the nipple. Close‐up view showing erythema and well‐marked lateral edge of the lesion.