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Five Tumors of the Finger:

"Finger Art" by a Pathologist.

Dr  Sampurna Roy  MD    

 

5 Tumours of the Finger:

Soft-tissue lesions of the fingers are commonly found in daily clinical practice.

A wide range of tumors and pseudotumors have been described in this location.


1) Glomus Tumour: Ouch it hurts! Very painful tumour at the tip of the finger. 

Visit: Pathology of Glomus tumour


 

2) Ganglion Cyst - "Ball of fluid".

Harmless and common soft tissue lesion usually located on the dorsal or lateral surfaces of the distal interphalangeal joint or over proximal nail fold.

These are predominantly noted on the middle and index fingers.

 Histologically, these are localized poorly defined mass of collagen or myxoid stroma with spindle cells or stellate cells.

They are also known as pseudocysts as there is no epithelial lining of the space.


 

3) Giant Cell Tumour of Tendon Sheath - So common!

Tumour is almost always confined to the digits.

Lesion on the fingers are more common than those on the toes.

They are painless and slow growing nodules.

 There is a admixture of osteoclastic giant cells, eosinophilic mononuclear cells, macrophages and chronic inflammatory cells.


 

4)  Palmar Fibromatosis (Dupuytren's Contracture) -"Claw Hand" 

These are nodules on the flexor surface of the proximal phalanx which gradually extends into fibrous bands.

There is progressive flexion contracture affecting one or more fingers.

Histologically, in the initial stage the lesion is characterized by pale eosinophilic myofibroblasts with plump vesicular nuclei arranged in fascicles.

In later stage the tumour is less cellular, there is more hyalinization and the cells are more fibroblastic in appearance.

Visit: Pathology of Fibromatosis


 

5)Epitheliod Sarcome: Beware!

Despite its benign macro and microscopic appearance it is a very aggressive malignant tumour and requires immediate wide excision and lymph node biopsy.

Visit: Pathology of Epithelioid Sarcoma

 


 

This post is for those who enjoy "Finger Art".

There are many more pretty "finger art" images in my collection, which I will present in some other post.

 

 

                      

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Dr  Sampurna Roy  MD

Consultant  Histopathologist (Kolkata - India)

 

 

 

          

 

 

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