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Table 12 Histopathological Alteration Index in Ibasa and Ilaje communities, Snake Island, Lagos

From: Bioaccumulation of polycyclic aromatic hydrocarbons, histopathological alterations and parasito-fauna in bentho-pelagic host from Snake Island, Lagos, Nigeria

 

Ilaje community

Ibasa community

F1

F2

F3

F4

F5

T

F1

F2

F3

F4

F5

T

GILL

 Normal (0)

0

0

0

–

–

0

0

0

–

–

–

0

 Hypertrophy of the epithelium (1)

–

–

–

1

–

1

–

–

1

–

–

1

 Lifting of the epithelium (1)

–

–

–

1

–

1

–

–

1

–

–

1

 Lamellar epithelial hyperplasia (1)

–

–

–

–

–

0

–

–

1

–

–

1

 lamellar disarray (1)

–

–

–

–

–

0

–

–

–

–

–

0

 Incomplete fusion lamellae (1)

–

–

–

1

–

1

–

–

–

–

–

0

 Complete fusion of all lamellae (2)

–

–

–

–

2

2

–

–

–

2

2

4

 Lamellar epithelium disruption (2)

–

–

–

–

2

2

–

–

–

2

2

4

 Congestion of the blood vessels (2)

–

–

–

 

2

2

–

–

–

2

2

4

 Uncontrolled proliferation of tissue (3)

–

–

–

–

–

0

–

–

–

–

3

3

Necrosis (4)

–

–

–

–

–

0

–

–

–

–

–

0

Intestine

 Normal, no parasites, ova (0)

0

0

0

0

–

0

0

0

0

–

–

0

 Mild ulceration of mucus (1)

–

–

–

–

1

1

–

–

–

1

–

1

 Inflammatory cells (1)

–

–

–

–

1

1

–

–

–

1

–

1

 Absence of globlet glands (2)

–

–

–

–

–

0

–

–

–

–

–

0

 Presence of debris in lumen (2)

–

–

–

–

–

0

–

–

–

–

2

2

 Moderate congestion of the blood vessel (3)

–

–

–

–

–

0

–

–

–

–

3

3

 Obliterated villious structures (3)

–

–

–

–

–

0

–

–

–

–

3

3

 Severe ulceration of mucus (4)

–

–

–

–

–

0

–

–

–

–

–

0

Histopathological Alteration Index (HAI)

0

0

0

3

8

11

0

0

3

8

17

28