NEUROECTODERMAL TUMOURS MIXED TUMOURS TERATOMAS CHORIONEPITHELIOMA XI practical

Patologic pigmentation of skin, defect of melanin vitiligo 2 1 1 Normal presence of

Patologic pigmentation of skin, defect of melanin – vitiligo, impregnation of melaninu (Masson) 1

Mixed naevocellular naevus 1 Normal skin 2 Naevus 2 1

Mixed naevocellular naevus 3 4 1 1 2 1 Junctional component 2 Intradermal component

Mixed naevocellular naevus 4 3 1 2 1 Junctional component 2 Intradermal component 3

Intradermal naevocellular naevus 2 3 1 Normal skin 2 Naevus 3 Epidermis 4 Hair

Intradermal naevocellular naevus 1 3 2 1 Epidermis 2 Groups of melanocytes 3 Collagenous

Intradermal naevocellular naevus 1 2 3 1 Hair folicle 2 Melanocytes 3 Collagenous fibres

Malignant melanoma (melanoblastoma) copy

Melanin in tumour cells (lentigo maligna melanom) 3 1 2 1 1 Melanin in

Pleiomorphic adenoma (myxochondroepithelioma)

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NEUROECTODERMAL TUMOURS, MIXED TUMOURS, TERATOMAS, CHORIONEPITHELIOMA. XI. practical training 3 rd year General Medicine

Neurinoma copy

Neurinoma

Neurofibroma

Pigmentary naevus

Patologic pigmentation of skin, defect of melanin vitiligo 2 1 1 Normal presence of melanin in basal layer 2 Defect of melanin in basal layer

Patologic pigmentation of skin, defect of melanin – vitiligo, impregnation of melaninu (Masson) 1 2 1 Normal presence of melanin in in basal layer 2 Defect of melanin in basal layer

Mixed naevocellular naevus 1 Normal skin 2 Naevus 2 1

Mixed naevocellular naevus 3 4 1 1 2 1 Junctional component 2 Intradermal component 3 Epidermis 4 Rete ridges

Mixed naevocellular naevus 4 3 1 2 1 Junctional component 2 Intradermal component 3 Pigment (melanin) 4 Epidermis

Intradermal naevocellular naevus 2 3 1 Normal skin 2 Naevus 3 Epidermis 4 Hair folicle 5 Sebaceous gland 5 1 4

Intradermal naevocellular naevus 1 3 2 1 Epidermis 2 Groups of melanocytes 3 Collagenous fibres of cutis

Intradermal naevocellular naevus 1 2 3 1 Hair folicle 2 Melanocytes 3 Collagenous fibres of cutis

Malignant melanoma (melanoblastoma) copy

Malignant melanoma (melanoblastoma)

Malignant melanoma (Fontana)

Melanin in tumour cells (lentigo maligna melanom) 3 1 2 1 1 Melanin in tumour cells 2 Melanin fagocyted in histiocytes (released from tumour cells) 3 Keratinized layer of epidermis

Nodular melanoma

Meningeoma

Astrocytoma

Oligodendroglioma

Ependymoma

Glioblastoma

Fibroadenoma mammae

Pleiomorphic adenoma (myxochondroepithelioma)

Nefroblastoma (Wilms‘ tumour)

Teratoma

Choriocarcinoma