Skeletal involvement is the second most common site of metastases after lymph nodal metastases in patients with prostate cancer. The skeletal metastases from prostate cancer are osteoblastic in nature and show increased tracer avidity on the bone scan. Focal tracer avid lesion in skeleton especially in skull requires the careful examination by further investigation. The patients with skull meta...

Chronic pancreatitis increases the risk of developing pancreatic cancer. This often presents as a mass lesion in the head of pancreas. Mass lesion in the head of pancreas can also occur secondary to an inflammatory lesion. Recognising this is crucial to avoid unnecessary surgery. This is sometimes difficult as there is an overlap in clinical presentation and conventional computed tomography (CT...

Case Description- A 4-year-old male homer pigeon (Columba livia) with anorexia, lethargy, emaciation, and abdominal distention was referred to Veterinary Teaching Hospital of Faculty of Veterinary Medicine, Ferdowsi University of Mashhad. Clinical Findings- Palpation revealed a solid mass in the caudal coelomic region. Radiographic and ultrasonographic examinations showed caudal coelo...

Ectopic thyroid tissue results from abnormal embryologic development and migration of the thyroid gland. True malignant transformation in ectopic thyroid tissue is extremely rare and is always diagnosed after surgical excision of the lesion by pathology examinations. There are well-documented cases of ectopic thyroid cancer while primary tumoral lesion occurs in the orthotopic thyroid, but only...

A 40-year-old male patient with progressive dementia presented adversive seizures, and CT scan showed an enlarging focal mass lesion in the right cerebral hemisphere. Cerebrospinal fluid examination and brain biopsy confirmed the diagnosis of neurosyphilis. After a course of penicillin therapy there was disappearance of the cerebral mass lesion and the CT scan showed focal atrophy in the right ...

a young known case of multiple sclerosis was evaluated with chief complaint of gradually progressed left lower limb weakness over 3 weeks. pathologic examination of a mass in brain magnetic resonance imaging confirmed the diagnosis of glioblastoma multiforme (gbm). given the importance of the definite diagnosis of malignant glioma and its effect on patient’s management, gbm should be considered...

a 36-year-old woman with right upper quadrant abdominal pain since three months previously and no other significant medical history was referred for evaluation of an abdominal mass. upon clinical examination, a large palpable mass in the mid -upper abdominal area was noted. abdominal ultrasound and spiral ct-scan showed a large hepatic mass in the left liver lobe. the patient was referred for t...

Simultaneous occurrence of cardiac and central nervous system tumors have been rarely reported. A 23 years male presented to us with right cerebello-pontine (CP) angle symptoms and signs. Cranial imaging showed a mass lesion in the right pons infiltrating into the right and middle cerebellar peduncles. There was also a cardiac-atrial septal mass. The brainstem lesion was found to be a non-Hodgk...

we herein report a case of ventral side of tongue lipoma in a 60-year old man who referred to our department with a mass at the right ventral side of his tongue that had existed there for an unknown period of time. clinical examination revealed a yellowish nodular lesion measuring 1 cm in diameter. histological examination showed mature adipocytes and varying size vessels between lobules of the...

purpose: to report a rare case of ciliochoroidal malignant melanoma presenting as a subconjunctival black-colored mass adjacent to the limbus. patient and findings: a 42-year-old woman presented with a subconjunctival black-colored mass adjacent to the limbus in left eye from 2 years ago. the lesion had increased in size during the previous 2 months. funduscopic examination with scleral depress...