Case Study: July 2009


A 25 year old female presents with a ‘cystic’ mass at the left medial canthus. The clinical diagnosis was of a sebaceous cyst.

Figure 1-Shows the wall of the ‘cyst’
Figure 2-Shows the inner lining of the ‘cyst’


1. What is the nature of the pathology in Fig 1?
2. What does Fig 2 show?
3. What is the likeliest diagnosis?

Click to show answers

1. Necrotizing, palisaded granulomatous inflammation with reactive lymphoid hyperplasia.

2. A cestode bladder.

3. Cystercercosis (Taenia).


Changing trends in ocular cysticercosis over two decades: an analysis of 118 surgically excised cysts
Madigubba S, Vishwanath K, Reddy G, Vemuganti GK.
Indian J Med Microbiol. 2007 Jul;25(3):214-9.