Case Report
Extraosseous Multiple Myeloma: Case Report of Presentation in the Lower Extremity Soft Tissues with Literature Review
Table 2
Comprehensive table of extraosseous myeloma lesion distributions.
| | Extremities | 44 |
| | Arm (skin) | 1 | | Buttocks (SQ) | 1 | | Fingers | 2 | | Forearm | 2 | | Gastrocnemius | 1 | | Gluteus maximus | 2 | | Knee | 1 | | Knee (SQ) | 1 | | Leg (skin) | 1 | | Leg (soft tissue) | 4 | | Leg (SQ) | 1 | | Lower extremity | 6 | | Median nerve | 1 | | Shoulder girdle | 2 | | Sural nerve | 1 | | Thigh | 7 | | Thigh (skin) | 1 | | Thigh (SQ) | 1 | | Toes | 1 | | Triceps (SQ) | 1 | | Upper extremity | 6 |
| | Gastrointestinal | 262 |
| | Colon | 11 | | Duodenum | 9 | | Esophagus | 1 | | Gallbladder | 1 | | “GI tract NOS” | 45 | | “Intra-abdominal lesions” | 8 | | Jejunum | 2 | | Liver | 67 | | Mesentery | 6 | | Omentum | 3 | | Pancreas | 31 | | Pelvic mass | 7 | | Peritoneum | 31 | | Rectum | 3 | | “Small bowel NOS” | 8 | | Stomach | 29 |
| | GU | 60 |
| | Bladder | 5 | | Kidney | 26 | | Lower urinary tract | 1 | | Ovary | 6 | | Penis | 1 | | Prostate | 1 | | Scrotum | 1 | | Testicle | 13 | | Uterus | 1 | | Vagina | 3 | | Vulva | 2 |
| | CNS, head and neck | 405 |
| | Ears | 1 | | “Eye or brain” | 41 | | “Head and Neck NOS” | 64 | | “Intracranial or Head/neck NOS” | 6 | | Middle ear | 2 | | Parapharyngeal space | 3 | | Parotid gland | 15 | | Preauricular region | 1 | | Pterygoid fossa | 1 | | Submandibular gland | 3 | | “Submaxillary gland” | 1 | | Supraclavicular fossa | 4 | | Thyroid | 23 | | Conjunctiva | 3 | | Eyelid | 5 | | Lacrimal gland | 2 | | Orbit | 19 | | CNS | 196 | | Retrobulbar | 15 |
| | RES | 164 |
| | Lymph node | 141 | | Spleen | 23 |
| | Skin | 154 |
| | Abdomen | 1 | | Cheek | 6 | | Cutaneous NOS | 130 | | Nose | 1 | | Scalp | 10 | | Sternum | 3 | | Within scars | 3 |
| | Soft tissue | 357 |
| | “Muscle NOS” | 5 | | “Old catheter sites” | 1 | | “Soft tissue NOS” | 123 | | “Surrounding axial skeleton” | 105 | | Abdomen | 13 | | Adrenal | 9 | | Axilla | 2 | | Bone marrow biopsy site | 1 | | Breast | 28 | | Groin | 1 | | Hips | 1 | | Iliopsoas | 5 | | Infratemporal fossa | 1 | | Inguinal | 2 | | Neck | 9 | | Paravertebral | 11 | | Periadrenal fat | 1 | | Perirenal | 5 | | Presacral | 1 | | Retroperitoneum | 23 | | Subcutaneous NOS | 8 | | Trunk | 2 |
| | Thoracic | 192 |
| | Aorta | 1 | | Chest/thoracic wall | 45 | | Diaphragm | 1 | | Heart | 5 | | Lung | 65 | | Mediastinum | 18 | | Pericardium | 6 | | Pleura + pleural effusion | 51 |
| | Other NOS | 42 |
| | Upper airway | 858 |
| | Tongue | 13 | | Cricoid | 2 | | Epiglottis | 3 | | Ethmoid sinus | 16 | | False vocal cord | 1 | | Gingiva/gums | 24 | | Larynx | 47 | | Lips | 1 | | Maxillary sinus + maxilla + antrum | 61 | | “Mouth/pharynx NOS” | 115 | | Nares | 5 | | Nasal cavity/fossa/mucosa | 56 | | Nasal polyp | 1 | | Nasal septum | 6 | | Nasooropharynx | 2 | | Nasopharynx | 103 | | Nose | 39 | | Oropharynx | 25 | | “Palate/gum/maxilla NOS” | 11 | | Paranasal sinus + sinus | 37 | | Pharynx | 19 | | “Respiratory NOS” | 133 | | Rhinopharynx | 4 | | Sinonasal/nasal sinus | 41 | | Soft palate + palate + hard palate | 4 | | Sphenoid sinus | 15 | | Subglottic | 5 | | Supraglottic | 2 | | Thyroid cartilage | 7 | | Tonsil | 49 | | Trachea | 3 | | Vocal cords | 4 | | “Upper respiratory tract NOS” | 4 |
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