Fig. 10.1 Mohs’ micrographic surgery. Frozen sections are obtained from the undersurface and skin edges of the excised lesion. Locations of residual tumor are marked on a map for subsequent…

Category Subtypes Vascular tumors Pyogenic granuloma Racemose malformation Capillary hemangioma Hemangiopericytoma Cavernous hemangioma Kaposi’s sarcoma Acquired sessile hemangioma Lymphangiectasia Varix Lymphangioma Malignant hemangioendothelioma Fibrous tumors Fibroma Nodular fasciitis Benign fibrous…

Pathologic diagnosis n % Melanocytic tumor  Nevus 92 47  Dysplastic nevus 2 1  Primary acquired melanosis 1 0.5  Malignant melanoma 1 0.5 Benign epithelial tumor  Papilloma 29 15  Sebaceous gland…

Fig. 18.1 Melanoma of the peri-limbal bulbar conjunctiva with “feeder vessels” entering the tumor Fig. 18.2 Conjunctival PAM with atypia, which has progressed to corneo-limbal melanoma Fig. 18.3 Melanoma of…

Fig. 15.1 Solitary sessile squamous papilloma of the bulbar conjunctiva. Clinical appearance (a). Histopathology shows papillomatous fronds of acanthotic nonkeratinized squamous epithelium with central fibrovascular cores (b; hematoxylin and eosin,…

Pattern Entity Conjunctival features Associated features Locus/gene Pigmentation Carney complex Conjunctival pigmentation Spotty mucocutaneous pigmentation 17q Schwannoma Endocrine over-activity PRKAR1A gene chromosome 2 Testicular tumor Peutz–Jeghers syndrome Conjunctival pigmentation Mucocutaneous…

Types  Subtypes Cystic lesions Benign Epidermal inclusion cyst Sebaceous cyst Retention cyst Trichilemmal cyst Sweat gland tumors Benign Apocrine hidrocystoma Eccrine hidrocystoma Syringoma Eccrine spiradenoma Pleomorphic adenoma Syringocystadenoma papilliferum Eccrine…

Category Subtype Etiology Congenital Ocular melanosis Developmental episcleral hyperpigmentation Oculodermal melanosis Acquired Racial Normal pigmentation in darker races Primary Idiopathic Secondary Localized Post-inflammatory Posttraumatic Foreign body Drug deposition Systemic Addison’s…

Fig. 9.1 Eyelid fibromatosis. A 6-month-old child with a tethering of the eyelid to a deeper firm mass in the superonasal aspect with consequent lagophthalmos (a). Histopathology examination shows infiltrating…

Fig. 4.1 Nodular BCC of the lower lid margin, presenting as an irregular, pearly dome-shaped tumor 4.6.2 Pigmented The pigmented BCC is usually nodular or nodulo-ulcerative, ranging in color from…