Solitary skeletal metastasis in carcinoma gallbladder: two case reports

Gallbladder carcinoma presenting with disseminated bony metastasis

Gallbladder cancer (GBC) is the 23rd most common cancer worldwide and one of the three leading cancers in North and Northeast India. GBC has inferior outcomes due to its advanced presentation and poor response to chemotherapy. The approximate 5-year survival rate for metastatic GBC is less than 5%, with a median survival of around 6 months. Distant metastases from GBC to the bones happen in the later part of the natural history of the disease. Presentation with bony metastasis is infrequent, and less than 25 cases have been reported. Our case was an elderly man in his 70s who presented with back pain and, on workup, was detected to have adenocarcinoma of the gall bladder with disseminated lytic bony metastasis without any visceral metastasis. This case describes the natural history of such cases and discusses the role of bone scan or fluorodeoxyglucose positron emission tomography in the workup for GBC.

FDG PET-MRI evaluation of synchronous gallbladder adenocarcinoma and POEMS syndrome

POEMS syndrome is a rare paraneoplastic syndrome associated with a plasma cell proliferative disorder. Gallbladder adenocarcinoma is a rare malignancy, with no association with POEMS syndrome. The plasma cell dyscrasia is routinely evaluated with advanced hybrid imaging to assess both anatomic and functional components. We present a case of a 59-year-old female with a known diagnosis of POEMS syndrome who underwent a whole-body restaging evaluation with hybrid positron emission tomography (PET) and magnetic resonance imaging (MR) to restage her plasma cell dyscrasia. She also had a prior diagnosis of gallbladder adenocarcinoma. Our case focuses on the value of PET/MR in this scenario as well as a rare case of osseous metastasis from gallbladder carcinoma.

Prognostic Nomograms to Predict Survival of Patients with Resectable Gallbladder Cancer: A Surveillance, Epidemiology, and End Results (SEER)-Based Analysis

Background

Gallbladder adenocarcinoma (GBAC) is globally acknowledged as one of the most common malignancies among all gastrointestinal cancers. Despite prognosis of GBAC patients remains poor, patients with early-stage disease can be observed with long-term survival.

Material/Methods

In this study, 2556 patients with pathological GBAC between 2010 and 2015 were derived from the Surveillance, Epidemiology, and End Results (SEER) database. The prognostic nomograms containing all independent prognostic factors for predicting overall survival (OS) and cancer-specific survival (CSS) were constructed to achieve superior prognostic discriminatory ability.

Results

Based on the AJCC 7^th TNM staging system, we found the TNM substaging was not accurate enough to predict the survival and stratify the risk. Based on the results of univariate and multivariate analyses, a more precise prognostic nomogram was constructed containing all significant independent prognostic factors (age, grade, TNM stage, bone metastasis, and chemotherapy) for OS, while age, grade, TNM stage, bone metastasis and radiotherapy significant independent prognostic factors for CSS. The C-index of the constructed nomogram for predicting OS and CSS was 0.740 and 0.737 higher than that of TNM staging alone (0.667 for OS and 0.689 for CSS), respectively. In addition, the calibration curves and decision curve analysis further showed its robust power in survival prediction.

Conclusions

The constructed nomograms showed better discrimination abilities to predict OS and CSS rates at 1, 3, and 5 years. In the future, these constructed models for this disease will assist in risk stratification to guide GBAC treatment.

Skeletal Metastasis From Carcinoma of the Gall Bladder: Need for Bone Scintigraphy Justified?

Background

Carcinoma of the gall bladder has a guarded prognosis with predominant sites of involvement being liver and regional nodes. Osseous metastasis in carcinoma of the gall bladder is rare and hence bone scintigraphy does not form a part of the routine work-up for such patients.

Case Reports

We describe two patients with carcinoma of the gall bladder with osteolytic metastasis (stage 4). Conservative treatment was planned but both of them succumbed to the illness.

Conclusions

We thus highlight the importance of performing a bone scan or PET CT in cases of carcinoma of the gall bladder. Besides, our cases challenge Paget’s seed – soil theory for sites of metastasis.

Skeletal metastasis in gallbladder cancer from a high-volume tertiary care center of north India: a series of rare occurrence

PURPOSE

Gallbladder carcinoma is usually characterized by late diagnosis and poor prognosis. Skeletal metastases in gallbladder cancer have been rarely reported in literature. In this study, we evaluated the incidence of skeletal metastasis in gallbladder cancer at our high-volume center and their clinical presentation, radiological imaging, treatment received, outcome, and survival.

METHODS

Records of all gallbladder carcinoma patients registered in our department from October 2007-October 2012 were retrospectively reviewed to identify gallbladder cancer patients with skeletal metastasis and their data was collected and analyzed.

RESULTS

Out of 340 cases of gallbladder carcinoma, 189 (55.58 %) were having stage IV disease. Of these, seven (2.1 %) patients had cytologically proven skeletal metastasis. All seven patients had advanced loco-regional abdominal disease with coexistent liver metastasis. Presenting symptoms were predominantly weight loss and back pain with markedly elevated serum alkaline phosphatase (median = 1231 IU/ml). Dorsolumbar vertebral metastasis was the most common site of skeletal metastasis in our series (5/7), followed by pelvic bone (2/7) while skull and sternal metastasis were present in one patient each. All these patients had short median survival (median = 30 days, range = 15-60 days).

CONCLUSIONS

Incidence of skeletal metastasis in gallbladder cancer is very low (2.1 %). Axial skeleton was the most common site of bone metastasis. Gallbladder cancer with skeletal metastasis portends poor prognosis with rapidly fatal course.

A rare presentation of gallbladder carcinoma metastasis

Gallbladder carcinoma is the 5th most common gastrointestinal cancer. Gallbladder cancer preferentially metastasizes to regional lymph nodes and liver parenchyma. Bone metastases from gallbladder carcinoma are rare presentation. We report a case of gallbladder carcinoma with solitary metastasis to femur bone with surrounding soft tissue involvement, mimicking as soft tissue tumour involving bone.

Gall bladder carcinoma presenting with spinal metastasis: a rare phenomenon

Skeletal metastasis as a primary presentation of gall bladder carcinoma is rare. A 50-year-old lady presented with neck pain and weakness in her right upper limb of 3 months duration. Clinical and imaging work-up suggested locally advanced gall bladder carcinoma with metastasis to cervical vertebra and sternum. Only one case till date has been reported where the patient presented with neurological symptoms due to pathological fracture secondary to metastasis from an occult gall bladder carcinoma. Although rare, an occult gall bladder cancer may present with neurological symptoms due to pathological fracture of spine secondary to metastasis. We present a brief review of literature of patients who presented with skeletal metastases in clinically silent gall bladder malignancy. Palliative care issues in advanced gall bladder carcinoma have also been discussed.