Spot the diagnosis 501-505

501).A patient has come with a cystic swelling of parotid gland..
Spot the diagnosis ?

502).A patient has come with a hard parotid tumour for a long time.There is no recent growth.
Spot the diagnosis ?

503).A patient has a hard parotid tumour for a long time.Recently it is growing fast.
Spot the diagnosis ?

504).A patient has a hard parotid tumour for a long time.Now it has become painful and involved facial nerve.
Spot the diagnosis ?

505).A patient has come with a hard lump in the epigastrium.Previously his one testis was removed.
Spot the diagnosis.

        ANSWERS:-
501) Warthin's tumours.
502). Mixed parotid tumour.
503).Malignant parotid tumours.
504).Malignant parotid tumour involving facial nerve.
505).Secondary Deposit in gastric lymph node,Primary was in the testis.