Custom Search


"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)

Custom Search



Dermatopathology Quiz Cases

Dermatopathology Quiz cases for March 2015 : (Friday 'Virtual Black Box' session)

Dermatopathology Case 193

Dermatopathology Case 192

Dermatopathology Case 191

Dermatopathology Case 190

Dermatopathology Case 189


Dermatopathology patterns that remind us of something else

Hyaline - Value of a descriptive word in General Pathology and Dermatopathology

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

Pathology of Discoid Lupus  Erythematosus

Erythema Nodosum





Toxic Shock Syndrome

Allergic Granulomatosis (Churg-Strauss Syndrome)

Erythema Elevatum Diutinum

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


Silicone granulomas

Pathology of Xanthelasma

Pathology of Verruciform Xanthoma


Alien Hand Syndrome-Bizarre neurological disorder of the anarchic hand with a life of its own


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


submit to reddit

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 - [ 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


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 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  ; Dermatopathology ;; Gallbladder Pathology Online ; Surgical ; Dermpath-India  ; Infectious Disease Online-India  ;  Pathology Quiz Online  ; Paediatric Pathology Online ; Pancreatic Pathology Online ; Paraganglioma-Online ; Endocrine Pathology Online ; Eye Pathology Online ; Ear Pathology Online ; Cardiac Path Online ; Pulmonary Pathology Online Lung Tumour-Online ; Mesothelioma-Online  ; Nutritional Pathology Online Environmental Pathology Online  ;  Soft tissue Tumour Online-India  ; GI Path Online-India  ; Case Index ; E-book - History of  Medicine with special reference to India  



   Disclaimer  ;  Privacy Policy  ; Advertising Policy  ;  E-mail 

           Copyright © 2004- 2015
           All rights reserved