[Oradlist] TMJ: synovial chondromatosis.?

[Allan Abuabara]

Dear Rejane, Kullman and Yang,

The case of my suspicion is Synovial Chondromatosis is not my patient. I am
only the Radiologist who evaluated the images. The patient reported
bilateral pain in TMJ, but normal open mouth (35-40mm). I suggested cone
beam CT and Magnetic ressonance imagin (MIR).

My worry is exactly with TMJ chondrossarcoma. I am waiting the feedback of
the patient's doctor. Having news I will reply for you. But I ask: Could it
be bilateral chondrossarcoma? Would not it be very rare /  improbable ?

Now I am sending the righ side images (panoramic TMJ radiograph -  open
mouth and maximum intercuspidation - MI). I regret the poor image quality;
they are scanned. All the same, we can view the radiopaque bodies.

Best Regards.
Allan Abuabara.
DDS, Specialist in Oral & Maxillofacial Radiology.
Joinville, SC - Brazil.

On Sun, Sep 28, 2008 at 6:02 PM, Rejane Faria Ribeiro-Rotta <
rejanefrr at gmail.com> wrote:

> Dear Allan,
>
> We are just finishing a case report to submit to publication of a TMJ
> chondrossarcoma in a 11-years-old child. Until 2008 only 20 cases have been
> reported in the english literature and the youngest patient is 17 years-old.
> One important part of the discussion is the differential diagnosis which
> includes Synovial Chondromatosis. This benign proliferative and
> metaplastic disorder of the synovium presents as two forms, secondary
> synovial chondromatosis, typified by the presence of intra-articular
> osteocartilaginous loose bodies against a background of degenerate joint
> disease, is common, whereas the primary form, in which synovial soft tissue
> masses are the predominant feature, is relatively uncommon.  Primary
> synovial chondromatosis should be considered in the differential diagnosis
> of the monarticular presentation of an intra-articular soft tissue mass,
> particularly in the presence of bone erosions.  Permeation of trabecular
> bone with "filling up" of marrow spaces should be considered a sign of
> malignancy.
> So, I would consider CT (including contrast injection) and/ou MRI.
> Regards
> Rejane
>
>
>
> 2008/9/28, Leif Kullman <leikul at yahoo.com>:
>
>>   Dear Allan, it could be of course, as you suggest synovial
>> chondromatosis, but more differential diagnosis are possible like for
>> example chondrocalcinosis or some sort of tumor. Can you give us some
>> history of the patient please? What about clinical findings?
>> Do you have access to a CBCT, more and better imaging could be useful.
>>
>> Best regards Leif
>>
>> Leif Kullman DDS, PhD
>> Assoc. Professor
>> Oral and Maxillofacial Radiology
>> Faculty of Dentistry
>> Kuwait University
>>
>> --- On *Sat, 9/27/08, Allan Abuabara <allan.abuabara at gmail.com>* wrote:
>>
>>
>> From: Allan Abuabara <allan.abuabara at gmail.com>
>> Subject: [Oradlist] TMJ: synovial chondromatosis.?
>> To: "Oral Radiology Discussion Group" <oradlist at lists.ucla.edu>
>> Date: Saturday, September 27, 2008, 7:56 PM
>>
>>  Dear Colleagues,
>>
>> Attached (panoramic TMJ radiograph -  open mouth and maximum
>> intercuspidation - MI) is a case of a woman, 17-y-o with pain in TMJ. The
>> images is from the left TMJ but the radiopaque images appear on both sides.
>>
>> My suspicion is synovial chondromatosis, although the incidence is more
>> common during the fourth and fifth decades of life.
>>
>> What do you think about it?
>> Thanking you.
>>
>> Allan Abuabara.
>> DDS, Specialist in Oral & Maxillofacial Radiology.
>> Joinville, SC - Brazil.
>>
>>
>>
>>
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>
>
> --
> ***************************************
> Rejane Faria Ribeiro-Rotta
> Professora associada, Departamento de Ciências Estomatológicas
> Faculdade de Odontologia, Universidade Federal de Goias
> rejanefrr at gmail.com, rejanefrr at odonto.ufg.br
>
> Rejane Faria Ribeiro-Rotta, DDS, MS, PhD
> Associate Professor, Department of Oral Medicine, School of Dentistry,
> Federal University of Goias, Brazil
> rejanefrr at gmail.com, rejanefrr at odonto.ufg.br
> _______________________________________________
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>


-- 
Allan
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