Primary osteogenic sarcoma of the skull is an exceedingly rare condition. An adult male patient is described, who had a painless swelling in the right forehead that had rapidly enlarged in the previous 6 months. Radiological investigations showed a large destructive mass lesion involving the right side of the frontal bone with extension into the frontal sinus, causing marked extradural compression of brain parenchyma. Histopathological examination confirmed the lesion to be primary osteogenic sarcoma.

Renal artery pseudoaneurysm, although a well-known complication in patients after penetrating trauma or iatrogenic injury, has rarely been described after blunt torso trauma. A 22-year-old man suffered an accident while on a motorcycle. Upon arrival in the Emergency Room, the patient was unconscious, hypotensive and had hematuria. Initial investigations revealed a fractured shaft of the right femur, multiple rib fractures with hemothorax, extradural haematoma on the right side and a laceration in the right kidney. After the evacuation of intracranial bleed, the patient was managed conservatively. The patient recovered well and was discharged on the 15th post-trauma day. The patient was again present in the emergency room after 6 weeks with 1-week history of gross hematuria. Ultrasonography revealed an anechoic lesion in the right kidney with pulsatile flow on colour Doppler. Further investigation with computed tomography renal angiography was done, which confirmed the pseudoaneurysm of a branch of renal artery. The patient was referred to a higher centre where he was successfully managed with selective arterial coil embolisation.

Osteopetrosis is a rare metabolic disease. Dental abnormalities may be attributed to the pathological changes in osteopetrosis. Patients with disease seem to be especially susceptible to osteomyelitis of mandible. A 9 yrs old girl presented with complaints of jaw swelling on left side with multiple discharging sinuses since last seven months. The radiograph of left mandible (oblique lateral view) showed periodontal involvement of associated molars with loss of lamina dura with small sequestrum with irregularity and erosions of the mandibular cortical margins. The patient was diagnosed as a case of osteopetrosis with superadded mandibular osteomyelitis.

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An 8-year-old boy presented with complaints of persistent umbilical discharge of serous material for the past 3 years with excoriation of the periumbilical skin causing severe pain and therefore he applied pressure by the left hand to prevent discharge from coming out. The application of continuous pressure by the hand in flexed position led to the development of a hand deformity in the form of a soft tissue flexion contracture at the interphalangeal joints. The patient was explored through periumblical incision, a tract of approximately 3cm in length was found and excised, bowel and bladder were normal and no diverticulum was found. The hand deformity was managed by active and passive mobilization and corrective splinting. With this conservative therapy, the patient regained almost the natural form and function of his hand over a period of 3 months and was doing well during regular follow-up.