Acral lentiginous melanoma 
Amelanotic melanoma
Animal-type melanoma
Desmoplastic melanoma (neurotropic melanoma, spindled melanoma)
Lentigo maligna (lentiginous melanoma on sun-damaged skin)
Lentigo maligna melanoma
Melanoma with features of a Spitz nevus (Spitzoid melanoma)
Melanoma with small nevus-like cells (small cell melanoma)
Mucosal melanoma
Nevoid melanoma
Nodular melanoma
Polypoid melanoma
Seborrheic keratosis-like melanoma
Soft-tissue melanoma (clear-cell sarcoma, melanoma of the soft parts)
Superficial spreading melanoma (superficially spreading melanoma)
Uveal melanoma

Monocyte- and macrophage-related
Monocyte- and macrophage-related cutaneous conditions are characterized histologically by infiltration of the skin by monocyte or macrophage cells, often divided into several categories, including granulomatous disease, histiocytoses, and sarcoidosis. Actinic granuloma (OBrien granuloma)
Annular elastolytic giant cell granuloma (giant cell elastophagocytosis, Meischers granuloma, Mieschers granuloma of the face)
Annular sarcoidosis 
Benign cephalic histiocytosis (histiocytosis with intracytoplasmic worm-like bodies)
Congenital self-healing reticulohistiocytosis (Hashimoto–Pritzker disease, Hashimoto–Pritzker syndrome)
Erythrodermic sarcoidosis
Generalized eruptive histiocytoma (eruptive histiocytoma, generalized eruptive histiocytosis)
Generalized granuloma annulare
Giant cell reticulohistiocytoma (solitary reticulohistiocytoma, solitary reticulohistiocytosis)
Granuloma annulare in HIV disease
Granuloma multiforme (Mkar disease, granuloma multiforme (Leiker))
Hand–Schüller–Christian disease
Heerfordts syndrome
Hereditary progressive mucinous histiocytosis
Hypopigmented sarcoidosis
Ichthyosiform sarcoidosis
Indeterminate cell histiocytosis
Interstitial granulomatous drug reaction
Langerhans cell histiocytosis (histiocytosis X)
Letterer–Siwe disease
Localized granuloma annulare
Löfgren syndrome
Lupus pernio
Morpheaform sarcoidosis
Mucosal sarcoidosis
Multicentric reticulohistiocytosis
Necrobiotic xanthogranuloma (necrobiotic xanthogranuloma with paraproteinemia)
Non-X histiocytosis
Papular sarcoid
Papular xanthoma
Patch-type granuloma annulare (macular granuloma annulare)
Perforating granuloma annulare 
Progressive nodular histiocytosis
Reticulohistiocytoma
Scar sarcoid (sarcoidosis in scars)
Sea-blue histiocytosis
Subcutaneous granuloma annulare (deep granuloma annulare, pseudorheumatoid nodule)
Subcutaneous sarcoidosis (Darier–Roussy disease, Darier–Roussy sarcoid)
Systemic sarcoidosis
Ulcerative sarcoidosis
Xanthoma disseminatum (disseminated xanthosiderohistiocytosis, Montgomery syndrome)

Mucinoses
Mucinoses are a group of conditions caused by dermal fibroblasts producing abnormally large amounts of mucopolysaccharides.
Adult linear IgA disease
Bullous pemphigoid
Bullous lupus erythematosus
Childhood linear IgA disease (chronic bullous disease of childhood)
Cicatricial pemphigoid (benign mucosal pemphigoid, benign mucous membrane pemphigoid, ocular pemphigus, scarring pemphigoid)
Dermatitis herpetiformis (Duhring disease)
Endemic pemphigus (endemic pemphigus foliaceus, fogo selvagem)
Epidermolysis bullosa acquisita
Grovers disease (benign papular acantholytic dermatosis, persistent acantholytic dermatosis, transient acantholytic dermatosis)  
IgA pemphigus
Intraepidermal neutrophilic IgA dermatosis
Localized cicatricial pemphigoid (Brunsting–Perry cicatricial pemphigoid)
Paraneoplastic pemphigus
Pemphigus erythematosus (Senear–Usher syndrome)
Pemphigus foliaceus
Pemphigus herpetiformis (acantholytic herpetiform dermatitis, herpetiform pemphigus, mixed bullous disease, pemphigus controlled by sulfapyridine)
Pemphigoid nodularis
Pemphigus vegetans
Pemphigus vegetans of Hallopeau
Pemphigus vegetans of Neumann
Pemphigus vulgaris
Vesicular pemphigoid
Vulvar childhood pemphigoid

Conditions of the mucous membranes
Conditions of the mucous membranes involve the moist linings of the eyes, nose, mouth, genitals, and anus.