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Dermatopathology Quiz Case 214

Dr Sampurna Roy  MD


Mock test: Painful nodule of the ear in a 65 year old male. There is history of exposure to sunlight. Patient has been continuously using headphones for many years.


  Image 1 - Low power view: There ulceration, granulation tissue, fibrinoid necrosis and degerative changes of the underlying cartilage.
 Image 2 -  Further section of the area (see Image 1) showing collagen degeneration, prominent fibrinoid change and granulation tissue formation. The underlying perichondrium is showing thickening and degeneration.
 Image 3 - There is acanthosis and pseudoepitheliomatous hyperplasia of the overlying epithelium.  The vascularized granulation tissue is present below the epithelium.
 Image4 - High power view showing dense inflammation, collagen degeneration and thickened perichondrium.
 Image5 - Further high power view  showing heavy infiltrate of histiocytes, lymphocytes and some neutrophils.


  List of all previous dermatopathology cases


Dr  Sampurna Roy  MD

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



Ear Pathology Online



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