Pathology (pathology of joint and soft tissue disorders)

1. Pathology Practical 3
)Pathology of Joints & Soft tissue disorders)
By : Saeed Saleh Aziz

2. Diagnosis :
( Rhabdomyosarcoma (
Comment :
- Signs of malignant tumor of skeletal muscle .
- Different stage of maturation :
• immature Rhabdomyoblast ( rounded cell ,
pink cytoplasm , peripheral nucleus ) .
• Polyhedral cell ( large cell , clear cytoplasm )
Some of cell is spindle shape

3. Diagnosis :
(Synovial sarcoma)
Comment :
- seen variants tumor cell :
• Group of rounded cells arranged in sheets
separate by cleft is hemangiopericytoma like
space .
( stag-horn appearance )
• Spindle cell arranged story form appearance .
- two main variants are the monophasic and
the biphasic
- Signs of malignant .

4. Diagnosis :
(Leiomyosarcoma)
Comment :
- Seen tumor of soft tissue in smooth
muscle .
- Different group of spindle cells
arranged in line with different stage
of pattern arranged in whorling
appearance .