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Table 2 Clinical and histopathological data

From: Challenges in diagnosing canine spindle cell tumours using immunohistochemistry, illustrated by three nonpigmented malignant cases from the nictitating membrane

Case

Breed

Age

Gender

Lateralization

Tumour presentation and location

Histopathological diagnosis

Surgical treatment

First /

Second/

Third recurrence/

prognosis

1

Dachshund

8y

F

OD

Hematoma-like tumour on the palpebral side of NM

Hemangiosarcoma

Surgical resection of the mass,

resection of NM at 3rd surgery

1,5 months after 1st surgery/

2 months after 2nd surgery/

euthanized 3 years later when another recurrence

2

Akita

12y

F

OD

Hyperaemic, grossly nonpigmented tumour on the palpebral side of NM

Sarcoma according to the human protocol, very lightly pigmented melanoma according to the dog-adapted protocol

Surgical resection of the mass,

exenteration at 3rd surgery

1,5 years after 1st surgery/

7 months after 2nd surgery/

4 months after 3rd surgery/

euthanized 1 months later when another recurrence

3

Shetland Sheepdog

14y

F

OD

Pendulous, on the surface partly pigmented and ulcerated, tumour on the palpebral side of NM

Sarcoma according to the human protocol, very lightly pigmented melanoma according to the dog-adapted protocol

Surgical resection of the mass,

resection of NM at 2nd surgery

4 months after 1st surgery/

euthanized 1,5 year later when another recurrence

  1. Description, presentation and the different diagnosis with the human and the dog-adapted immunohistochemistry protocols used in this study, then surgical treatment and prognosis after removal of the current canine membrana nictitans tumours. y: years, F: female, OD: oculus dexter, NM: nictitating membrane