5. Types
(a) Unilateral cleft lip with alveolar involvement;
(b) bilateral cleft lip with alveolar involvement;
(c) unilateral cleft lip associated with cleft palate;
(d) bilateral cleft lip and palate; (e) cleft palate only.
6. Cleft lip (unilateral or bilateral)
• The abnormalities in cleft lip are the direct result
of disruption of the muscles of the upper lip and
nasolabial region.
• Involving the external nasal cartilages, nasal
septum and anterior maxilla (premaxilla).
7. Cleft palate
• Cleft palate results in failure of fusion of the two
palatine shelves.
• Types: -soft palate only
- soft and hard palate.
12. Investigations
• Chest x ray to detect lung metastasis.
• Abdominal Ultrasound Tumour of the kidney.
• CT and MRI To detect relation of the tumour
to the surrounding and invasion of the IVC.
15. Aetiology: Failure of complete urethral
tubularisation in the male fetus.
Types:
• First degree: Glanular(distal)
• Second dgree: Mid-shaft.
• Third degree: Scrotal or perineal.