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PJS is an autosomal dominant genetic disease associated with melanin pigment spots on the oral mucosa, lips, nasal alae, palm and soles, as well as hamartomatous polyps in the alimentary canal. Polyps are often a cause of intussusception in the affected patients. Cancers of gastrointestinal system, uterus and breast are common in patients with PJS. Long-term follow-up is required to prevent intussusception in children and cancer in adults. We report a classical case of Peutz–Jeghers syndrome presenting with jejunoileal intussusception in a 9year old child.

Background: Hydatidosis is parasitic infestations caused by the larva of tapeworm Echinococcus species. Its relevance lies in its wide geographic distribution with high prevalence rate and its significant morbidity. Case presentations: We report two cases of hydatid cyst 1) orbit and 2) spleen. In both the cases there was no clinical suspicion of any parasitic origin. Conclusions: The purpose of this paper is to emphasize the fact that this disease should be suspected in cystic lesions in all organs of the body, especially in endemic areas of the world. Keywords: Hydatid cyst, Echinococcus, Orbit, Spleen