#18. Tumours of the eyelids and conjunctiva Flashcards

1
Q

What are the 2 TUMOURS of the EYELIDS?

A

1) BENIGN TUMOUR of the Eyelids

2) MALIGNANT TUMOUR of the Eyelids

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2
Q

What are the BENIGN TUMOURS of the EYELIDS?

A

A) XANTHOMA

B) HAEMANGIOMA

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3
Q

Describe XANTHAOMA’s (Benign Eyelid)

A
  • Bilateral
  • Symmetrical
  • SLIGHTLY RAISED Yellow Plaques, NEAR INNER CANTHUS
  • MORE COMMON in
    a. ELDERLY Women
    b. DIABETICS with EXCESS Cholesterol
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4
Q

Describe HAEMANGIOMA’s (Benign Eyelid)

A
  • Occur as LOCALISED CAPILLARY Angioma / CAVERNOUS Angioma
  • Lid may be affected along with FACIAL Angioma in STURGE-WEBER SYNDROME
  • Occurs at LID MARGIN
    a. Skin / Conjunctiva
    b. Can be REMOVED VIA EXCISION
    c. May become MALIGNANT (Neurofibroma)
  • PLEXIFORM TYPE affecting the UPPER Lid in VON RECKLINGHAUSEN’s DISEASE
  • THICKENED Nerves can be felt THROUGH Skin as HARD CORDS
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5
Q

What are the MALIGNANT TUMOURS of the EYELIDS?

A

A) SQUAMOUS CELL CARCINOMA

B) BASAL CELL CARCINOMA (Rodent Ulcer)

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6
Q

Describe SQUAMOUS CELL CARCINOMA of Eyelid (Malignant Eyelid)

A
  • Affects ELDERLY Person
  • Seen at EDGE of Lid = Transition Zone, where Epithelium Changes!
  • STARTS as Nodule, THEN ULCERATES
  • PRE-AURICULAR Lymph Nodes are ENLARGED
  • Tx via COMPLETE EXCISION!
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7
Q

Describe BASAL CELL CARCINOMA of Eyelid (Malignant Eyelid)

A
  • MOST COMMON Malignant Tumour of Eyelid
  • Seen in LOWER lid, NEAR INNER CANTHUS
  • LOCALLY Malignant
  • EPITHELIAL GROWTH spreads UNDER the skin in ALL Directions
  • INVADES / DESTROYS the lids, orbit AND bone

**IF SMALL = Complete Excision
**IF LARGE = Radiation Therapy

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8
Q

What are the 5 TUMOURS of the CONJUNCTIVA?

A

1) Congenital

2) Papilloma

3) Simple Granuloma

4) Squamous Cell Carcinoma

5) Pigmented Tumours

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9
Q

What are CONGENITAL TUMOURS of the CONJUNCTIVA?

A

E.g. DERMOID = They are CHORISTOMAS that are YELLOW-GREY in colour

  • Smooth, Solid, Round Lesions
  • Consists of Epidermoid / Epithelium / Sebaceous Glands / Hair
  • Found along the Corneal Margin on the OUTER SIDE of LIMBUS
  • DISSECTED OFF + REPLACED by LAMELLAR CORNEAL Graft for COSMETIC

E.g. DERMOLIPOMAIS = Found on OUTER CANTUS
- Consists of Fibrous Tissue AND Fat
- REMOVED Surgically

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10
Q

What are PAPILLOMA TUMOURS of the CONJUNCTIVA?

A
  • Occur at:
    a. INNER Canthus
    b. Fornices
    c. Limbus

** MUST BE REMOVED, before they turn MALIGNANT

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11
Q

What are SIMPLE GRANULOMA TUMOURS of the CONJUNCTIVA?

A
  • Consist of EXUBERANT GRANULATION Tissue
  • Is a POLYPOID
  • Seen at the CHALAZION SITE (Insufficiently Scraped)
  • COMPLETELY REMOVED via SCISSORS
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12
Q

What are SQUAMOUS CELL CARCINOMAS of the CONJUNCTIVA?

A
  • Occurs at LIMBUS or LID MARGIN
  • SPREADS OVER Surface + INTO the Fornices
  • PENETRATE the eyeball
  • It GETS REMOVED + CAUTERISED via DIATHERMY
  • If it RE-OCCURS = Eye gets ENUCLEATED
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13
Q

What are PIGMENTAL TUMOURS of the CONJUNCTIVA?

A
  • Naevi / Congenital Mole (RARELY Malignant)
  • PRE-Cancerous
  • Occurs in LIMBUS of ELDERLY People
  • SPREADS OVER the Surface of the eyeball
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