<prompt> Pepper pot appearance of skull is seen in:Multiple myelomaHyperparathyroidismSickle cell anemiaFibrous dysplasia  <response>: Pepper pot skull - - seen in cases of Hyperparathyroidism - there is resorption of trabecular bone skull as well as there is loss of definition between inner and outer tables of skull Cotton wool skull - Pagets disease HAIR ON END Appearance - Severe Hemolytic anemias. Punched Out Lesion - Multiple myeloma - Multiple punched out lytic lesions 