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Dr Sampurna Roy MD

 

                            


 
Histology of the Normal Skin

 

Glossary

 

Gross examination of the skin specimen

 

Reporting of biopsies taken for Inflammatory Skin Diseases

 

Lichenoid (Interface) Tissue Reaction Pattern

 

Psoriasiform Reaction Pattern

 

Vesiculobullous Reaction Pattern

 

Spongiotic Reaction Pattern

 

Vascular Diseases: Various forms of Vasculitis

 

Lichen planus-like lesions

 

Lichen Nitidus

 

Cutaneous lesion in graft-
versus host disease

 

Discoid Lupus  Erythematosus

 

Grover's Disease

 

Pemphigoid Gestationis

 

Bullous Pemphigoid

 

Dermatitis Herpetiformis

 

Hailey-Hailey Disease 

 

Chilblains (Perniosis) and Equestrian Perniosis

 

Erythema Nodosum

 

Febrile Neutrophilic Dermatosis (Sweet's Syndrome)

 

Allergic Granulomatosis (Churg-Strauss Syndrome)

 

Granuloma faciale

 

Erythema Elevatum Diutinum

 

Granulomatous Reaction Pattern of the Skin

 

Granuloma Annulare

 

Necrobiosis Lipoidica

 

Necrobiotic Xanthogranuloma 

 

Rheumatoid Nodule

 

Lupus Vulgaris

 

Cutaneous Sarcoidosis

 

Melkersson Rosenthal Syndrome

 

Annular Elastolytic Giant Cell Granuloma

 

Skin lesion in Crohn's Disease

 

Foreign body granuloma

 

Rosacea

 

Interstitial Granulomatous Dermatitis

 

Interstitial Granulomatous Drug Reaction

 

Granular Parakeratosis

 

Median Raphe Cyst

 

Cutaneous Ciliated Cyst

 

Infective Panniculitis

 

Pancreatic Panniculitis

 

Drug related cutaneous lesions

 

Digital Mucous (Myxoid) Cyst

 

Superficial Acral Fibromyxoma

 

Pathology of Merkel Cell Carcinoma

 

Keloid of the Ear

 

Chondrodermatitis Nodularis Chronica Helicis

 

Elastosis Perforans Serpiginosa

 

Pseudoxanthoma Elasticum


A systematic approach to diagnose cutaneous infections by dermatopathologists

 

Folliculitis

 

Impetigo

 

Furuncle (Boil)

 

Carbuncle

 

Toxic Shock Syndrome

 

Erythema chronicum migrans

 

Blastomycosis-like pyoderma

 

Histoid Leprosy

 

Cutaneous Infections and Infestations

 

1 : Bacterial, Rickettsial and Chlamydial Infections

 

2 : Spirochetal Infections

 

3 : Mycoses and algal Infections

 

4 : Protozoal Infections

 

5 : Helminth Infections

 

6 : Viral Infections

 

 

Skin Adnexal (Appendage) Tumours

 

Benign Sweat Gland Tumours

 

Apocrine/Eccrine Hidrocystoma

 

Hamartomas

 

Chondroid syringoma

 

Syringoma

 

Syringocystadenoma Papilliferum 

  

Hidradenoma Papilliferum 

 

Nipple Adenoma

 

Cylindroma

 

Spiradenoma

 

Poroma 

 

Hidradenoma

 

Papillary Eccrine Adenoma

 

Apocrine Adenoma

 

Syringofibroadenoma

 

Classification of Malignant Sweat Gland Tumours 

 

Microcystic adnexal carcinoma

 

Syringomatous carcinoma (Eccrine Carcinoma ; Syringoid Carcinoma)

 

Cutaneous adenoid cystic carcinoma

 

Mucinous carcinoma

 

Primary extramammary Paget’s disease

 

Porocarcinoma

 

Digital papillary adenocarcinoma

 

Hidradenocarcinoma

 

Apocrine adenocarcinoma

 

Eccrine ductal carcinoma

 

Spiradenocarcinoma

 

Malignant cylindroma

 

Clear cell carcinoma

 

Tumours of the Hair Follicle

 

Trichoepithelioma

 

Desmoplastic trichoepithelioma

 

Trichofolliculoma

 

Trichoblastoma

 

Cutaneous lymphadenoma

 

Basaloid Follicular Hamartoma

 

Trichoadenoma

 

Dilated Pore of Winer

 

Pilar Sheath Acanthoma

 

Tumour of the Follicular Infundibulum

 

Trichilemmoma

 

Desmoplastic Trichilemmoma

 

Trichilemmal Carcinoma 

 

Proliferating Trichilemmal Tumour

 

Pilomatrixoma

 

Pilomatrix Carcinoma

 

Sebaceous tumours

 

Fordyce's Spots

 

Steatocystoma

 

Nevus Sebaceous

 

Folliculosebaceous Cystic Hamartoma

 

Sebaceous Hyperplasia

 

Sebaceoma

 

Sebaceous Adenoma

 

Sebaceous Carcinoma

 

 


 

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Cutaneous Deposits

 

Calcinosis Cutis

 

Cutaneous Ossification (Osteoma Cutis)

 

Cartilaginous Lesions of the Skin

 

Pretibial Myxedema

 

Lipoid Proteinosis

 

Pathology of Colloid Milium

 

Gout

 

Silicone granulomas

 

Xanthelasma

 

Verruciform Xanthoma

 

Melanocytic Tumours

 

Acquired Melanocytic Nevus

 

Ancient Nevus

 

Halo Nevus

 

Balloon Cell Nevus

 

Congenital Nevus

 

Deep Penetrating Nevus

 

Dysplastic Melanocytic Nevus (Atypical Nevus)

 

Blue Nevus and variants

 

Spitz Nevus; Atypical Spitz Nevus and Spitzoid Melanoma

 

Desmoplastic Spitz Nevus

 

Combined Nevus

 

Recurrent Nevus

 

Pigmented Spindle Cell Nevus (Reed Nevus)

 

Lentigo Maligna Melanoma

 

Superficial Spreading Melanoma

 

Nodular Melanoma

 

Acral Lentiginous Melanoma

 

Desmoplastic and 
Neurotropic Melanoma

 

Nevoid Melanoma

 

Balloon Cell Melanoma

 

Prognostic Parameters of Melanoma

 

Variants of Melanoma that can be mistaken for a Benign lesion

 


 

Epidermal Nevus

 

Inflammatory Linear Verrucous Epidermal Nevus

 

Dermatosis Papulosa Nigra

 

Seborrheic keratosis

 

Acanthomas 

 

Prurigo Nodularis

 

Clear cell acanthoma

 

Large cell acanthoma

 

Warty Dyskeratoma

 

Virally Induced Epidermal Lesions 

 

Epidermodysplasia verruciformis

 

Condyloma Acuminatum

 

Molluscum contagiosum

 

Keratoacanthoma

 

Bowen's disease

 

Bowenoid papulosis

 

Actinic keratosis

 

Basal Cell Carcinoma

 

Fibroepithelioma of Pinkus

 


 

Pathology of Subcutaneous Panniculitis-Like T-Cell Lymphoma

 

Pathology of Pagetoid reticulosis (Woringer-Kolopp disease)

 

Pathology of Lymphomatoid Papulosis - Cells resembling 'chunks of coal'

 

Pathology of Primary Cutaneous Anaplastic Large Cell Lymphoma

 

Pathology of Cutaneous B-Lymphoblastic Lymphoma

 

Pathology of Intravascular Large B-cell Lymphoma

 

Pathology of Primary Cutaneous Marginal Zone B-Cell Lymphoma

 

Pathology of Primary Cutaneous Diffuse Large B-Cell Lymphoma

 

 

 

 

   

 

Welcome to the Dermatopathology website designed, created and maintained by Dr Sampurna roy MD

"The skin is a mirror of the body. Look to the skin for specific manifestations of diseases."

 

 

Dr Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)


 

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