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

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

" The contents of this site is based on my experience, discussion with colleagues and information from text books and journals"

 

Dr  Sampurna Roy  MD

Consultant Histopathologist (Kolkata - India)

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Dermatopathology Quiz Cases

 

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

Bullous Pemphigoid

Dermatitis Herpetiformis

Hailey-Hailey Disease 

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

Blastomycosis-like pyoderma

Foreign body granuloma

Rosacea

Interstitial Granulomatous Dermatitis

Interstitial Granulomatous Drug Reaction

Erythema Nodosum

Folliculitis

Impetigo

Furuncle(Boil)

Carbuncle

Toxic Shock Syndrome

Allergic Granulomatosis (Churg-Strauss Syndrome)

Median Raphe Cyst

Cutaneous Ciliated Cyst

Infective Panniculitis

Pancreatic Panniculitis

Drug related cutaneous lesions

Cutaneous lesion in graft-
versus host disease

Cutaneous lesions after exposure to Radiation

Digital Mucous (Myxoid) Cyst

Superficial Acral Fibromyxoma

 

Cutaneous Deposits

Calcinosis Cutis

Cutaneous Ossification (Osteoma Cutis)

Cartilaginous Lesions of the Skin

Lipoid Proteinosis

Pathology of Colloid Milium

Gout

Silicone granulomas

 

Surgical-Pathology.com

Histopathology-India.net

Pathology-India.com

Pathopedia-India.com

Pancreatic Pathology Online

Gallbladder Pathology Online

Paediatric Pathology Online

Paraganglioma-Online

Endocrine Pathology Online

Eye Pathology Online

Ear Pathology Online

Cardiac Path Online

Lung Tumour-Online

Mesothelioma-Online

Pulmonary Pathology Online

Nutritional Pathology Online

Environmental Pathology Online

Pathology Quiz Online

Dermpath-India

GI Path Online

Soft Tissue Pathology

Case Index

Infectious Disease Online

E-book -   History of  Medicine with special reference to India

Blogs:

Basic Pathology Blog.

Diagnostic Histopathology. 

 

 

Skin Tumours

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 Pagetís 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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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

 

Epidermal Nevus

Dermatosis Papulosis Nigra

Seborrheic keratosis

Acanthomas - [ Epidermolytic acanthoma; Acantholytic acanthoma; Melanoacanthoma ]

Prurigo Nodularis

Clear cell acanthoma

Large cell acanthoma

Warty Dyskeratoma

Virally Induced Epidermal Lesions (Verruca vulgaris; Palmoplantar wart; Verruca plana)

Epidermodysplasia verruciformis

Condyloma Acuminatum

Molluscum contagiosum

Keratoacanthoma

Bowen's disease

Bowenoid papulosis

Actinic keratosis

               

A systematic approach to diagnose cutaneous infections by dermatopathologists

Cutaneous Infections and Infestations

Histoid Leprosy

1 : Bacterial, Rickettsial and Chlamydial Infections

2 : Spirochetal Infections

3 : Mycoses and algal Infections

4 : Protozoal Infections

5 : Helminth Infections

6 : Viral Infections

  

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

Pathology of Xanthelasma: "It is all in her eyes"

 

Pathology of Verruciform Xanthoma: "Appearances are often deceiving"

 

Variants of Melanoma that can be mistaken for a Benign lesion- "Wolf in Sheep's Clothing"

 

Pathology of Discoid Lupus  Erythematosus- "There is a butterfly on my nose"

 

 


 

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