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 Limbus is the transitional zone at
the junction of the sclera and the
cornea.
 1 mm wide
 Duration
 Slow or fast growing
 Vascular /non vascular
 H/o trauma or surgery
 Change in colour
 Associated symptom...
 Congenital
 Inflammatory
 Allergic
 Vascular
 Traumatic
 Degenerative
 Nutritional
 Neoplastic
 miscellaneous
1. Dermoid
2. Dermolipoma
3. Raised Naevus
DERMOID
 Yellowish white mass
 Consists of epithelium , sebaceous gland,
hair...
DERMOLIPOMA
 soft , yellow and movable
 Subconjunctival mass
 Adipose tissue & dermis around
 Associated with Goldenha...
 Flat or raised ,grey gelatinous
,brown,black
 Tendency to grow during puberty
and pregnancy
 May undergo malignant cha...
 Episcleritis
 Scleritis
 EPISCLERITIS
 Inflammation of deep conjunctival tissue
 Pinkish elevated tender nodule or d...
SCLERITIS–
 Nodular or diffuse form
 Nodule is fixed to sclera
 Pain and uveitis
 Causes– collagen
disorders,Endogenou...
 Phlycten
 Vernal catarrah– limbal form
 Ophthalmia nodosa
 Pinkish white nodules surrounded
by congestion
 causes photophobia ,
lacrimation , blepharospasm
 Endogenous reaction ...
 Multiple nodules in the upper
limbus , white superficial spots
 White ropy discharge
 Hypersensitivity to exogenous
al...
 Granulomatous inflammation
to caterpillar hair
 Treatment: steroid or excision
 Benign red lesion which blanches
on pressure
 Bleeds on trivial trauma
 May be associated with
hemangioma
of lid and o...
 Granuloma
 Implantation cyst
 Iris prolapse covered by conjunctiva
GRANULOMA
 After surgical wound (squint or pterygi...
 Pingecula
 Cystic pterygium
 Triangular yellow patch on nasal
limbus
 Occurs in elderly
 Hyaline infiltration with elastotic
degeneration of subcon...
 Triangular sheet of fibrovascular
tissue invading cornea
 Occurs after recurrence
 Treatment – excision and auto
conju...
 Silvery white, foamy or cheesy
patch
 Keratinised epithelium –
temporal limbus
 Seen in vitamin A deficiency
 Papilloma
 Intraepithelial epithelioma
 Squamous cell carcinoma
 Primary melanoma
 Benign polypoid tumour
 Sessile/peduncle
 Can become malignant
 Treatment: surgical excision
SQUAMOUS CELL CARCINOMA
 Flat granular growth
 Invades underlying structures
 Requires early excision
 Nodular form, may be
pigmented or non-pigmented
 Treatment - excision
 Intercalary or ciliary
staphyloma
 Filtering bleb – following
trabeculectomy
 Parasitic cyst – cysticercosis
 Retenti...
 Bulge in limbal area
 Lined by root of iris due to ectasia
of weak scar tissue
 Following healed perforation
injuries ...
 Thin walled cyst with clear fluid
 Excision indicated if there is
irritation or foreign body sensation
or for cosmetic ...
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
Nodule at the limbus
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Nodule at the limbus

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Nodule at the limbus

  1. 1.  Limbus is the transitional zone at the junction of the sclera and the cornea.  1 mm wide
  2. 2.  Duration  Slow or fast growing  Vascular /non vascular  H/o trauma or surgery  Change in colour  Associated symptoms  Progression of growth
  3. 3.  Congenital  Inflammatory  Allergic  Vascular  Traumatic  Degenerative  Nutritional  Neoplastic  miscellaneous
  4. 4. 1. Dermoid 2. Dermolipoma 3. Raised Naevus DERMOID  Yellowish white mass  Consists of epithelium , sebaceous gland, hair  Treatment: Excision
  5. 5. DERMOLIPOMA  soft , yellow and movable  Subconjunctival mass  Adipose tissue & dermis around  Associated with Goldenhar’s syndrome
  6. 6.  Flat or raised ,grey gelatinous ,brown,black  Tendency to grow during puberty and pregnancy  May undergo malignant change  Treatment: excision if it grows
  7. 7.  Episcleritis  Scleritis  EPISCLERITIS  Inflammation of deep conjunctival tissue  Pinkish elevated tender nodule or diffuse  Occurs in gout ,Rheumatism ,endogenous allergy to bacteria  Treatment: topical steroids or NSAIDs Systemic Indomethacin Recurrence – systemic therapy
  8. 8. SCLERITIS–  Nodular or diffuse form  Nodule is fixed to sclera  Pain and uveitis  Causes– collagen disorders,Endogenous infections.  Treatment: steroids
  9. 9.  Phlycten  Vernal catarrah– limbal form  Ophthalmia nodosa
  10. 10.  Pinkish white nodules surrounded by congestion  causes photophobia , lacrimation , blepharospasm  Endogenous reaction to tuberculous protein  Treatment: topical steroids and treat the cause
  11. 11.  Multiple nodules in the upper limbus , white superficial spots  White ropy discharge  Hypersensitivity to exogenous allergen – pollen and dust  Recurrence occurs in summer  Common in children  Treatment : steroids , mast cell stabilizers, NSAIDs
  12. 12.  Granulomatous inflammation to caterpillar hair  Treatment: steroid or excision
  13. 13.  Benign red lesion which blanches on pressure  Bleeds on trivial trauma  May be associated with hemangioma of lid and orbit
  14. 14.  Granuloma  Implantation cyst  Iris prolapse covered by conjunctiva GRANULOMA  After surgical wound (squint or pterygium surgery)  Site of foreign body  Treatment – surgical excision
  15. 15.  Pingecula  Cystic pterygium
  16. 16.  Triangular yellow patch on nasal limbus  Occurs in elderly  Hyaline infiltration with elastotic degeneration of subconjunctival tissue  Treatment – excision for cosmetic purposes
  17. 17.  Triangular sheet of fibrovascular tissue invading cornea  Occurs after recurrence  Treatment – excision and auto conjunctival transplantation
  18. 18.  Silvery white, foamy or cheesy patch  Keratinised epithelium – temporal limbus  Seen in vitamin A deficiency
  19. 19.  Papilloma  Intraepithelial epithelioma  Squamous cell carcinoma  Primary melanoma
  20. 20.  Benign polypoid tumour  Sessile/peduncle  Can become malignant  Treatment: surgical excision
  21. 21. SQUAMOUS CELL CARCINOMA  Flat granular growth  Invades underlying structures  Requires early excision
  22. 22.  Nodular form, may be pigmented or non-pigmented  Treatment - excision
  23. 23.  Intercalary or ciliary staphyloma  Filtering bleb – following trabeculectomy  Parasitic cyst – cysticercosis  Retention cyst
  24. 24.  Bulge in limbal area  Lined by root of iris due to ectasia of weak scar tissue  Following healed perforation injuries or corneal ulcer
  25. 25.  Thin walled cyst with clear fluid  Excision indicated if there is irritation or foreign body sensation or for cosmetic purposes

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