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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 Case Index :Case 1 to Case 20

Dermatopathology Case1;

Dermatopathology Case2;  

Dermatopathology Case3;

Dermatopathology Case4

Dermatopathology Case5;  

Dermatopathology Case6;

Dermatopathology Case7;

Dermatopathology Case8;  

Dermatopathology Case9;   

Dermatopathology Case10;

Dermatopathology Case11;

Dermatopathology Case12

Dermatopathology Case13

Dermatopathology Case14

Dermatopathology Case15

Dermatopathology Case16

Dermatopathology Case17

Dermatopathology Case18;

Dermatopathology Case19;  

Dermatopathology Case20;

Dermatopathology Case Index :Case 21 to Case 40

Dermatopathology Case21; 

Dermatopathology Case22;

Dermatopathology Case23;

Dermatopathology Case24;

Dermatopathology Case25;

Dermatopathology Case26;

Dermatopathology Case27;

Dermatopathology Case28

Dermatopathology Case29;  

Dermatopathology Case30

Dermatopathology Case31

Dermatopathology Case32;

Dermatopathology Case33

Dermatopathology Case34;

Dermatopathology Case35;

Dermatopathology Case36

Dermatopathology Case37

Dermatopathology Case38

Dermatopathology Case39

Dermatopathology Case40;


Histology of the Normal Skin


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


Interstitial Granulomatous Dermatitis

Interstitial Granulomatous Drug Reaction

Erythema Nodosum





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


Cutaneous Deposits

Calcinosis Cutis

Cutaneous Ossification (Osteoma Cutis)

Cartilaginous Lesions of the Skin

Lipoid Proteinosis

Pathology of Colloid Milium


Silicone granulomas

Pancreatic Pathology Online

Gall Bladder Pathology Online

Paediatric Pathology Online


Endocrine Pathology Online

Eye Pathology Online

Ear Pathology Online

Cardiac Path Online

Lung Tumour-Online


Pulmonary Pathology Online

Nutritional Pathology Online

Environmental Pathology Online

Pathology Quiz Online


GI Path Online

Soft Tissue Pathology

Case Index

Infectious Disease Online

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


Dermatopathology Cases

Basic Pathology Blog.

Diagnostic Histopathology. 



Dermatopathology Case Index :Case 41 to Case 60

Dermatopathology Case41; 

Dermatopathology Case42;  

Dermatopathology Case43;

Dermatopathology Case44;  

Dermatopathology Case45

Dermatopathology Case46;   

Dermatopathology Case47

Dermatopathology Case48

Dermatopathology Case49;

Dermatopathology Case50

Dermatopathology Case51

Dermatopathology Case52;

Dermatopathology Case53

Dermatopathology Case54

Dermatopathology Case55;

Dermatopathology Case56

Dermatopathology Case57

Dermatopathology Case58;

Dermatopathology Case59

Dermatopathology Case60

Dermatopathology Case Index :Case 61 to Case 80

Dermatopathology Case61;

Dermatopathology Case62

Dermatopathology Case63

Dermatopathology Case64;

Dermatopathology Case65

Dermatopathology Case66

Dermatopathology Case67;

Dermatopathology Case68

Dermatopathology Case69;    

Dermatopathology Case70;

Dermatopathology Case71

Dermatopathology Case72

Dermatopathology Case73;

Dermatopathology Case74

Dermatopathology Case75

Dermatopathology Case76;

Dermatopathology Case77;

Dermatopathology Case78;

Dermatopathology Case79;

Dermatopathology Case Index :Case 81 to Case 100

Dermatopathology Case80

Dermatopathology Case81;

Dermatopathology Case82

Dermatopathology Case83

Dermatopathology Case84;  

Dermatopathology Case85

Dermatopathology Case86

Dermatopathology Case87;  

Dermatopathology Case88

Dermatopathology Case89

Dermatopathology Case90;

Skin Tumours

Skin Adnexal (Appendage) Tumours

Benign Sweat Gland Tumours

Apocrine/Eccrine Hidrocystoma


Chondroid syringoma


Syringocystadenoma Papilliferum   

Hidradenoma Papilliferum 

Nipple Adenoma





Papillary Eccrine Adenoma

Apocrine Adenoma


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


Digital papillary adenocarcinoma


Apocrine adenocarcinoma

Eccrine ductal carcinoma


Malignant cylindroma

Clear cell carcinoma

Tumours of the Hair Follicle


Desmoplastic trichoepithelioma



Cutaneous lymphadenoma

Basaloid Follicular Hamartoma


Dilated Pore of Winer

Pilar Sheath Acanthoma

Tumour of the Follicular Infundibulum


Desmoplastic Trichilemmoma

Trichilemmal Carcinoma 

Proliferating Trichilemmal Tumour


Pilomatrix Carcinoma

Sebaceous tumours

Fordyce's Spots


Nevus Sebaceous

Folliculosebaceous Cystic Hamartoma

Sebaceous Hyperplasia


Sebaceous Adenoma

Sebaceous Carcinoma


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Dermatopathology Case91

Dermatopathology Case92

Dermatopathology Case93;

Dermatopathology Case94

Dermatopathology Case95

Dermatopathology Case96;

Dermatopathology Case97;    

Dermatopathology Case98

Dermatopathology Case99;

Dermatopathology Case100; 

Dermatopathology Case101;

Dermatopathology Case102;

Dermatopathology Case103;

Dermatopathology Case104;

Dermatopathology Case 105;

Dermatopathology Case 106;

Dermatopathology Case 107;

Dermatopathology Case 108;

Dermatopathology Case 109;

Dermatopathology Case 110;

Dermatopathology Case 111;

Dermatopathology Case 112;

Dermatopathology Case 113;

Dermatopathology Case 114;

Dermatopathology Case 115;

Dermatopathology Case 116

Dermatopathology Quiz Cases in 2014: 

Dermatopathology Case 117

Dermatopathology Case 118

Dermatopathology Case 119

Dermatopathology Case 120

Dermatopathology Case 121

Dermatopathology Case 122

Dermatopathology Case 123

Dermatopathology Case 124

Dermatopathology Case 125

Dermatopathology Case 126

Dermatopathology Case 127

Dermatopathology Case 128

Dermatopathology Case 129

Dermatopathology Case 130

Dermatopathology Case 131

Dermatopathology Case 132

Dermatopathology Case 133

Dermatopathology Case 134

Dermatopathology Case 135 

Dermatopathology Case 136

Dermatopathology Case 137

New Cases:  April 2014

Dermatopathology Case 138

Dermatopathology Case 139

Dermatopathology Case 140

Dermatopathology Case 141

Dermatopathology Case 142


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


Bowen's disease

Bowenoid papulosis

Actinic keratosis




"Vesiculobullous Diseases of the Skin"


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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