MuscleMedicineMD
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1. "along the belt line" (ie. the waist) In medicine, a circumference defined anatomically & demarcated by the tips of your 2 Iliac crests. which are bony points bilaterally, atop of you ilium, that, along with your sacrum, as well as you ischium inferiorly forms your Pelvis. most anteriorly is the "ASIS"..I have a painful, swollen lump on my upper left glute, approximately where my belt line is, just hair lower. It’s not red, but it hurts deep, like a bad wasp sting. There’s no blemish on the surface of the skin, it feels deep. Could maybe be a boil but there’s no redness on the skin
My first thought was bad injection. Because I had injected 3ml into my left glute last week. Pain popped up about 5 days later. Only thing is, I don’t inject that high, it’s several inches from injection site and didn’t hurt until 5 days later anyway. Been taking amoxicillin since Wednesday abd it’s gone down some but still hurts.
2. Dematology is easy, its all based on location. THIS is an ABSCESS bc you state its deep, well beneath dermal-SQ layers! v. Boil (that's superficial; redness being present or not has no baring here). (*see a textbook for a more detail)
3. Now, is it Sterile or infectious? The key identifiers spoke of before from a members medic training, are not defined in Pathology as "infectious" as was stated (nor does lack of fever rule out inf) but rather they are the 5 classic signs of INFLAMMATION. (which may or may not be caused by V/bac) Now CC & Physical Exam- we will take what he gives us..
*POS for PAIN? but on palpation (deep or superficial)? POS for TENDERNESS, deep. Denies Redness. Heat? reports "itchy" sensation..(bares no relation to definition or stages of infection) rather is a symptom of the Primary Mechanism of INFLAMMATION---> CYTOKINE release!
- Histologically, Histamine release is responsible for capillary leakiness, causing clinically the Signs of SWELLING..
-Histamine does many other things such as recruiting near by IMMUNE Cells via INTERLUKIN'S (IL-6, IL-1 etc) clinically seen as PUSS, even if sterile... its still an Abscess.
4. But MMMD, why is this ABSCESS "several inches away from where" one clearly injected?
Anatomically, I cant forget running my hands all along these special divisions within the GLUTEAL muscles and legs during cadaver dissections.. THese are FASCIAL PLANES. spread is most mobile and initial deposition to Abscess formation could be influenced simply by body position at night etc.
I also considered, Lymph node anatomy/drainage routes superficial to deep (burned into my memory)
5. 5 days from Injection ---> pain!. well 3-5 days is the time line one would expect in Abscess formation. pain results from several factors, which may only be clinically noticeable on 4th- 5th day.
Part 1 of 2... MUSCLEMEDICINE, MD